The Dilophosaurus dinosaur is classified as a carnivore.
What is a Dilophosaurus?Dilophosaurus is a species of large carnivorous dinosaur that lived approximately 193 to 183 million years ago during the early Jurassic period. It was one of the first large predatory dinosaurs, and its fossils have been found in North America.
The Dilophosaurus was a bipedal dinosaur, and it had two large, bony crests on its skull that were used for display or to make it look larger. It was estimated to be around 20 feet long and had sharp teeth, indicating that it was a carnivore.
Learn more on carnivorous dinosaurs here: https://brainly.com/question/29531973
#SPJ1
The complete question is:
What of these dinosaurs is classified as a carnivore?
Triceratops | Tylosaurus · Iguanodon | Archaeopteryx · Alamosaurus | Mosasaurus · Coelophysis | Ankylosaurus · Brontosaurus | Dilophosaurus.
All of the dinosaurs listed except for option C. Archaeopteryx are classified as carnivores.
What nature of animals are dinosaurs?Albertosaurus, Allosaurus, Baryonyx, Carnotaurus, Giganotosaurus, Mapusaurus, Mosasaurus, Spinosaurus, Tylosaurus, and Tyrannosaurus Rex are all predatory dinosaurs that lived during the Mesozoic Era and are known to have been carnivores.
Velociraptor, while a small dinosaur, is also considered a carnivore, with evidence suggesting that it may have been a pack hunter that preyed upon small dinosaurs and other animals.
Archaeopteryx, on the other hand, is a more primitive dinosaur that lived during the Late Jurassic period and is considered to be a transition between reptiles and birds. While it is not considered a dinosaur, it is widely recognized as the earliest known bird and is believed to have been primarily a herbivore or omnivore, not a carnivore.
learn more about dinosaurs: https://brainly.com/question/17321635
#SPJ1
The complete question goes thus:
what of these dinosaurs is classified as a carnivore?
Albertosaurus
Allosaurus
Archaeopteryx
Baryonyx
the development of the embryo in the uterus and the young are born alive
Answer:
whats the question ?? keep it
What substance is in the blood that the heart pumps throughout your body?
Fill The Blank? the thin space between the parietal and visceral layers of the serous pericardium is the ______ cavity.
The pericardial cavity is the narrow area of the serous pericardium that lies between the parietal and visceral layers.
A two-layered sac called the pericardium encircles and shields the heart. The parietal pericardium, that is the outer layer, as well as the visceral pericardium, which is the inner layer, make up the pericardium. The pericardial cavity is the area between these two layers. The pleura cavity is a tiny cavity filled with fluid, some of which is serous fluid. This liquid acts as a lubricant and lessens friction between the visceral and parietal layers of the pericardium, enabling the heart to move easily within the pericardial sac throughout its contractions and leisure. An essential component of the heart and lungs is the pericardial cavity. Any buildup of extra fluid inside the pericardial cavity, including such pericardial effusion, can impair the heart's normal operation and necessitate medical attention.
Learn more about “ pericardial cavity” visit here;
https://brainly.com/question/15072560
#SPJ4
which of the following is not an effect of fibers? a. lowered risk of heart and artery disease b. increased blood cholesterol levels c. lowered risk of appendicitis and complications from diverticula d. modulated blood glucose levels
Option B, increased blood cholesterol levels, is not an effect of fibers.
In food, fiber is the part of fruits, vegetables, legumes, and whole grains that cannot be digested. The fiber in food may help prevent cancer. In the body, fiber refers to tissue made of long threadlike cells, such as muscle fiber or nerve fiber.
In fact, the opposite is true - dietary fiber can help lower blood cholesterol levels. Fibers are a type of carbohydrate that are found in plant foods, such as fruits, vegetables, whole grains, legumes, and nuts. They are not digested by the human body, but rather pass through the digestive system relatively intact. This has several beneficial effects, including a lowered risk of heart and artery disease, lowered risk of appendicitis and complications from diverticula, and modulated blood glucose levels.
For such more questions on Fibers
https://brainly.com/question/14836257
#SPJ4
which endocrine gland produces adrenaline and cortisol?
The adrenal gland is an endocrine organ that produces cortisol and adrenaline.
The adrenal cortex and the adrenal medulla are the two separate components that make up the adrenal gland. While the adrenal medulla generates hormones like adrenaline and noradrenaline, the adrenal cortex is in charge of creating hormones like cortisol and aldosterone.
Both the hormones cortisol and adrenaline are secreted in reaction to stress and have a variety of physiological consequences, including raising blood pressure, heart rate, and energy levels.
They aid in maintaining homeostasis by controlling how the body reacts to various forms of stress.
Additionally, cortisol is crucial for the body's metabolism and aids in immune system regulation.
To learn more about endocrine visit:
https://brainly.com/question/4455660
#SPJ4
the blueprints for creating a human are stored and communicated in our , which determine(s) the nature and function of every cell in the human body. a)zygote b)genes c)chromosomes d)dna
The blueprints for creating a human are stored and communicated in our option C: chromosomes, which determine the nature and function of every cell in the body.
Your genes, which are stored on your chromosomes, are the blueprint for your body. A copy of this blueprint is present in almost every cell in the human body; it is typically kept in the nucleus, an unique sac within the cell. Long strands of a molecule called deoxyribonucleic acid (DNA) make up chromosomes.
Genes are the hereditary unit of life. They get transferred from one generation to another, through a process called heredity. Genes are always present in pairs on the long, spiral molecules called chromosomes. Chromosomes, along with the genes, make up the DNA.
To know more about chromosomes, refer:
https://brainly.com/question/11912112
#SPJ4
the collection of microorganisms that live on or on a human host in a mutually beneficial way is called the human ______.
The collection of microorganisms that live on or in a human host in a mutually beneficial way is called the human microbiota.
The human microbiota includes a diverse array of microorganisms, including bacteria, fungi, viruses, and archaea, that colonize various parts of the body, such as the skin, mouth, gut, and reproductive tract. These microorganisms interact with each other and with the host in complex ways, playing important roles in many physiological processes, including digestion, immune system function, and metabolism.
The human microbiota is also important for preventing the colonization and overgrowth of harmful pathogens, and disruptions to the microbiota can lead to various diseases and disorders.
To know more about human microbiota here
https://brainly.com/question/14207915
#SPJ4
Why would modeling the process of protein synthesis be important to understanding this concept?
A. The process of protein synthesis is abstract and microscopic.
B. The process of protein synthesis is too simplistic to understand without a model.
C. The process of protein synthesis is best understood through a mathematical model.
D. The process of protein synthesis can only be represented by a 3-Dimensional model.
It is important to understanding this concept is by The process of protein synthesis is abstract and microscopic.
What is protein?
Protein is a macronutrient that is essential for the growth and repair of tissues in the body. It is composed of amino acids and is found in many foods, such as meat, fish, eggs, dairy, beans, nuts, and seeds. Protein is used by the body to build and maintain muscle, bones, skin, and other tissues, as well as to make hormones, enzymes, and other important molecules.
Modeling the process of protein synthesis would be important to understanding this concept because the process is abstract and microscopic, which makes it difficult to observe and comprehend without some form of representation. A model can provide a simplified and visual representation of the complex processes involved in protein synthesis, which can aid in understanding the mechanisms and interactions that occur at the molecular level.
Therefore, option A. The process of protein synthesis is abstract and microscopic is the correct answer.
To learn more about protein from the link
https://brainly.com/question/29776206
#SPJ1
which of the relationships best describes the partial pressure of oxygen (po2) in the lung (alveolar air), red blood cells, and blood plasma?
The amount of oxygen in the blood is the most important factor of control of breathing. (pO2) red blood cell < (pO2) blood plasma < (pO2)lung.
The partial pressures that are accessible for diffusion within the lung's alveoli are not accurately reflected by partial pressures. The pulmonary tract warms and humidifies the air before it is breathed in through the higher airways. Water vapour are introduced during this process, which modifies the partial pressures of all gases—including oxygen. Therefore, inspired PO is defined as the partial pressure of oxygen in the upper airway (PiO). At body temperature, the static pressure of water vapour is 47 mmHg and is highly temperature dependent.
Arterial blood gas is the main indicator used to assess the partial pressure of oxygen. By doing so, the partial pressures of oxygen, carbon dioxide, acidity, oxyhemoglobin saturation, and bicarbonate concentration in arterial blood can all be directly measured.
To learn more about partial pressure click here,
https://brainly.com/question/9075357
#SPJ4
which bacteria group has a thick peptidoglycan layer?
The cell wall of gram-positive bacteria group has a thick peptidoglycan layer.
Gram-positive bacteria's cell wall is made up of thick layers of peptidoglycan. Gram-positive bacteria keep their crystal violet colour and stain purple, while gram-negative bacteria lose their crystal violet colour and stain red. Gram staining distinguishes the two types of bacteria.
Because their cell wall is impermeable, Gram-negative bacteria are more resistant to antibodies.
Gram-positive and gram-negative bacteria are distinguished by their ability to withstand the gramme stain. Gram-negative bacteria are stained by a counterstain, such as safranin, and de-stained by an alcohol wash. As a result, they appear pink under a microscope. Gram-positive bacteria, on the other hand, preserves the gramme stain and show a noticeable violet hue upon the application of mordant (iodine) andethanol
To learn more about Peptidoglycan layer Please click on the given link:
https://brainly.com/question/30625841
#SPJ4
bioinformatics most typically analyzes what cellular macromolecules?
Although it is frequently equated with computational biology, the science of bioinformatics is similar to but distinct from biological computation. Bioinformatics most typically analyzes the nucleic acids.
In especially when the data sets are huge and complicated, the interdisciplinary area of bioinformatics creates techniques and software tools for analyzing biological data. Bioinformatics is an interdisciplinary branch of research that analyzes and interprets biological data by combining biology, chemistry, physics, computer science, information engineering, mathematics, and statistics. Using computational and statistical methods, bioinformatics has been employed for in silico studies of biological questions.
The area of bioinformatics comprises biological research that incorporate computer programming into their technique as well as specialized analysis "pipelines," particularly in the realm of genomics.
To know more about bioinformatics
brainly.com/question/12537802
#SPJ4
True or False: Assuming the population of candies in the bottle represents all the individuals in a population. The pouring of candies into the bowl is an example of genetic drift.
The statement "Assuming the population of candies in the bottle represents all the individuals in a population. The pouring of candies into the bowl is an example of genetic drift" is true.
What is genetic drift?Gene flow is distinct from genetic drift since it involves the transfer of alleles or gametes from one group to another. When a population migrates or becomes geographically isolated, this occurs.
When a population is drastically reduced in number, genetic drift manifests itself most dramatically in a phenomenon known as the bottleneck effect.
Therefore, the statement is true.
To learn more about genetic drift, refer to the link:
https://brainly.com/question/11919163
#SPJ9
this is the smallest unit of life and can grow, reproduce, and perform certain basic functions. t/f
It is TRUE that cell is the smallest unit of life and can grow, reproduce, and perform certain basic functions.
The smallest component of all living things, including human tissue, that is capable of independent existence. The cell membrane, nucleus, and cytoplasm make up a cell's three basic structural components. The cell membrane, which encloses the cell, regulates the molecules that enter and exit the cell. The nucleus is a component of the cell that houses the nucleolus and the majority of the DNA. Most RNA is produced there as well. The fluid found inside a cell is called cytoplasm. The Golgi complex, the mitochondria, and the endoplasmic reticulum are among the additional minute cell components that are found there. Most chemical processes and protein synthesis take occur in the cytoplasm. More than 30 trillion cells make up the human body.
To know more about cell membrane
brainly.com/question/13524386
#SPJ4
The actual question is:
True, or False
Cell is the smallest unit of life and can grow, reproduce, and perform certain basic functions.
Why do we think that male Neanderthals mated with non-African ancestral Homo sapiens?
Because Neanderthal mtDNA sequences are present in the human gene pool, and Neanderthal nuclear DNA sequences are not.
Because neither Neanderthal mtDNA sequences nor nuclear DNA sequences are present in the modern human gene pool.
Because both Neanderthal mtDNA sequences and nuclear DNA sequences are present in the modern human gene pool.
Because Neanderthal nuclear DNA sequences are present in the human gene pool, and Neanderthal mtDNA sequences are not.
Option d) Since Neanderthal atomic DNA arrangements are available in the human genetic supply, and Neanderthal mtDNA successions are not.
The specialists conjectured that there could be an association between an animal category's digit proportion and sexual methodology since people are frequently monogamous. Assuming they are right, early present-day people and current people were both to some degree less monogamous than Neanderthals, who had proportions that fell between the two gatherings (0.928).
Around quite a while back, as the earliest gatherings of present-day people left Africa, they experienced and interbred with Neandertals, perhaps in the prolific Nile Valley, along the Center Eastern coast, or in the previously lavish Bedouin Promontory.
Learn more about Neanderthal here
brainly.com/question/29724956
#SPJ4
microorganisms require phosphorus, sulfur, iron, and magnesium for metabolism. what specifically are these elements used for in microbial metabolism?
Phosphorus, sulfur, iron, and magnesium are all essential elements required for microbial metabolism.
These elements play key roles in various metabolic processes, allowing microorganisms to grow and reproduce.
Phosphorus is an essential component of nucleic acids, including DNA and RNA, and is also involved in energy transfer processes. Sulfur is an essential component of certain amino acids and cofactors, and plays a role in cellular respiration.
Iron is involved in a number of important metabolic processes, including the transport of oxygen, the generation of ATP, and the detoxification of reactive oxygen species. Magnesium is also required for a variety of metabolic processes, including the regulation of enzyme activity, DNA synthesis, and the utilization of energy from glucose.
These elements are typically obtained from the environment, either by scavenging or by active uptake. Microorganisms have evolved specific mechanisms to acquire and utilize these essential elements, which are critical for their survival and success.
Learn more about metabolism:
brainly.com/question/29763323
#SPJ4
You are presented with several single-celled organisms, including one thought to belong to the kingdom Fungi. What unique feature helps you identify the fungus?
Unique feature that can help identify a fungus is the presence of chitin in its cell walls.
Chitin is a complex carbohydrate that is also found in the exoskeletons of arthropods, such as insects and crustaceans. Unlike other single-celled organisms, fungi have cell walls that are made up of chitin, glucans, and other complex polysaccharides. This feature provides the cells of fungi with structural support and protection. Therefore, the presence of chitin in the cell wall of a single-celled organism would suggest that it is likely a member of the kingdom Fungi. Other features that can help identify fungi include their mode of nutrition (heterotrophic, typically by absorption) and reproductive structures (such as spores and fruiting bodies).
For such more questions on Fungus
https://brainly.com/question/8986830
#SPJ4
Explain how the reproduction of bacteria can cause high numbers of bacteria in food in a very short time.
Answer:
Bacteria reproduce rapidly through a process called binary fission, in which a single bacterium splits into two identical daughter cells. This allows for exponential growth in a favorable environment, such as food that is moist and contains nutrients, leading to high numbers of bacteria in a very short time.
Assess the role of observations in enabling Aboriginal people to survive and thrive in the Australian environment.
Note: Assess means to make a judgement of value, quality, outcomes, result or size. To effectively assess you need to look at the pros and cons and then make a judgement.
Aboriginal people survive and thrive in the Australian environment by adapting themselves.
How did aboriginal people survive in Australia?Pros: Northern Sydney was inhabited by many Aboriginal clans for thousands of years prior to the arrival of Europeans. They spent much of their time around the harbor's foreshore, where they fished, hunted, and foraged for sustenance in the region's waterways and hinterlands.
Cons: For Indigenous Australians, obstacles to accessing health care include lack of services in their neighborhood (especially for those living in remote areas), distance from services, and lack of transportation, cost, wait times, and the availability of culturally appropriate and responsive health services.
Thus, aboriginal people survive in Australia.
Learn more about Australia, here:
https://brainly.com/question/29988993
#SPJ9
What are two measurable plant traits that could affect influence relative fitness? Explain them!
There are many plant traits that can influence relative fitness, or the ability of an individual plant to survive and reproduce compared to others in its population.
Here are two measurable plant traits that could affect relative fitness:
Leaf area: The leaf area of a plant is the total surface area of all its leaves. This trait can influence the amount of sunlight that a plant is able to capture and the amount of water that it is able to transpire. In general, larger leaf area can lead to higher photosynthetic rates and faster growth, but it can also lead to higher water loss through transpiration. Therefore, the relative fitness of a plant with respect to leaf area will depend on the environmental conditions in which it is growing.Seed size: The size of a plant's seeds can influence its ability to survive and reproduce. Larger seeds tend to have more stored resources and are able to produce larger seedlings that may have a competitive advantage over smaller seedlings. However, producing larger seeds may also require more resources from the parent plant and may limit the number of seeds that it is able to produce. Therefore, the relative fitness of a plant with respect to seed size will depend on the trade-off between seed size and seed number, as well as the environmental conditions in which it is growing.In summary, leaf area and seed size are two measurable plant traits that can influence relative fitness, and both traits are subject to trade-offs that can depend on environmental conditions. Other traits that can influence relative fitness include traits related to photosynthesis, water use, nutrient uptake, and resistance to herbivores or pathogens, among others.
To learn more about plant traits refer to this link
https://brainly.com/question/628957
#SPJ4
what term means a foreign object such as a blood clot, air or gas, tissue or tumor, or amniotic fluid, which is circulating in the blood
An embolus is a foreign body which is floating in the blood, such as with a hematoma, air or vapor, tissue or tumour, or amniotic fluid.
Which blood kinds are there?blood cell types. Red blood proteins, white blood cells, and platelets are the three different types of blood cells. The blood provides oxygen and nutrients to all of body's organs and parts, allowing them to continue operating. Red blood cells have a protein that carries oxygen to the cells (called hemoglobin).
What is blood, and why is it significant?The blood provides oxygen and nutrients to all of the vital cells and parts, allowing them to continue operating. The lungs, liver, and digestive system use the blood to transport fluid and waste products for elimination from the body.
To know more about Blood visit :
https://brainly.com/question/14781793
#SPJ4
the following pedigree illustrates the inheritance of ringed hair, a condition in which each hair is differentiated into light and dark zones. what mode or modes of inheritance are possible for the ringed-hair trait in this family?
Answer:
Waxing Crescent, First Quarter, Waxing Gibbous
Explanation:
the ability to move a body part through a full range of motion is definition of what?
Flexibility is the ability to move a body part through a full range of motion ,it result in a flexible movement of body without any restriction.
Flexibility exercises are activities that improve the ability of a joint to maintain the movement necessary for carrying out daily tasks and physical activity. Examples of flexibility activities include: stretching. yoga.
Better flexibility may: Improve your performance in physical activities. Decrease your risk of injuries. Help your joints move through their full range of motion.
When it comes to stretching, there are three main techniques: static, dynamic, and ballistic stretching.
Flexibility is a personality trait that describes the extent to which a person can cope with changes in circumstances and think about problems and tasks in novel, creative ways. This trait is used when stressors or unexpected events occur, requiring a person to change their stance, outlook, or commitment.
Learn more about flexibility here:-
brainly.com/question/10881309
#SPJ4
which of the mutants are the three deletions? what criteria did you use to reach your conclusion? (2 points) b. if you know that mutation 9 is in the riib gene, draw the best genetic map possible to explain the data, including the positions of all the point mutations and the extent of the three deletions. if there is ambiguity, clearly indicate as such. (5points)
a) Because these did not experience any reversion to the wild type, 3, 6, & 7 are deletions.
b) Order of rIIA = 1, 2, 5, and rIIB = 4, 8, 9. (based on where recombination occurred)
(2,5) mutation in 7 spans rIIA of -1, 8, 4, and 9, loss in 6 spans 1, 8, while 9, and loss in 3 spans 4 as well as 9.
The rIIB gene has three deletion mutations, 9, 3, and 5. These deletions impair the infected cells' capacity to generate big offspring phages. These mutants are indeed the three deletions as a result. The following deletion patterns are among them: A deletion that takes place near the end of the a chromosome is called a terminal deletion. Intercalary/interstitial deletion: a chromosome's interior is removed in this deletion.
(Nine rII- mutants of bacteriophage T4 were used in pairwise infections of E. coli K(λ) hosts. Six of the mutations in these phages are point mutations; the other three are deletions. The ability of the doubly infected cells to produce progeny phages in large numbers is scored in the following chart.
The same nine mutants were then used in pairwise infections of E. coli B hosts. The production of progeny phage that can subsequently lyse E. coli K(λ) hosts is now scored. In the table, 0 means the progeny do not produce any plaques on E. coli K(λ) cells, - means that only a very few progeny phages produce plaques; and + means that many progeny produce plaques (more than 10 times as many as in the - cases). Hint: + means you have risen above the reversion rate!
a. Which of the mutants are the three deletions? What criteria did you use to reach your conclusion?
b. If you know that mutation 9 is in the rIIB gene, draw the best genetic map possible to explain the data, including the positions of all the point mutations and the extent of the three deletions. If there is ambiguity, clearly indicate as such.)
Learn more about mutations
https://brainly.com/question/17130462
#SPJ4
What term is used to describe the direction of movement from the occiplal lobe to the cerebellum? a. donatly
b. medaly c. ventraly d. fostaly
The term used to describe the direction of movement from the occipital lobe to the cerebellum is a. "dorsally"
The dorsal direction refers to movement from the back (posterior) to the front (anterior) of the brain, while ventral refers to movement from the front to the back of the brain. The terms medial and lateral refer to movement towards the midline or away from the midline of the brain, respectively. The term "fostaly" is not a recognized anatomical term. Therefore, the correct answer to the question is option (a) dorsally.The cerebellum is located at the dorsal (back) part of the brain, and it is connected to the occipital lobe through a neural pathway called the superior cerebellar peduncle. The cerebellum is responsible for motor coordination and balance, and it receives information from the sensory organs to make adjustments in muscle movement.
Learn more about dorsally here:
https://brainly.com/question/30505965
#SPJ4
Statement
1.A cell only divides
once during its lifetime.
2. Cells spend most of
their time in mitosis
(dividing)
3. All cells divide (go
through the cell cycle) at
the same rate.
4. Cancer cells are
regular cells (such as
skin or liver cells) that
are dividing
uncontrollably.
5. A cell must replicate
its DNA prior to cell
division, during the G1
phase.
6. All cells come from
preexisting cells.
7. Mitosis results in
gametes (sperm or egg
cells)
8. Cells divide, but the
cells themselves never
increase in size or gain
mass.
Before the
Video: True
or False?
After the
Video: True
or False?
Explain your final answer:
ALL statements need a final answer
an atomic number is also called the number of
Decreased risk of HIV transmission is a benefit of adherence true or false?
True, The risk of medication rejection and HIV transmission is decreased by following an HIV treatment schedule.
What advantages come from completing HIV treatment?By preventing HIV from spreading, daily HIV medication lowers the possibility that HIV may mutate and develop treatment resistance. By allowing HIV to grow, skipping HIV medications raises the likelihood of drug - resistant and unsuccessful HIV therapy.
HIV adherence: what is it?A crucial component of anti - retroviral treatment is drug adherence (HAART). It describes the entire procedure from selecting, beginning, controlling, and continuing a prescribed therapeutic pharmaceutical regimen to reduce Aids viral replication and enhance immune system performance.
To know more about HIV transmission visit:
https://brainly.com/question/11440984
#SPJ4
when it is said that the cell membrane has a difference in electrical charge between its inside and the outside, this means the membrane is .
When it is said that the cell membrane has a difference in electrical charge between its inside and the outside, this means the membrane is Polarized.
The cell membrane is said to be polarized because there is a potential difference across the cell membrane. When the membrane potential becomes more positive than the resting potential, the membrane is said to be depolarized. When the membrane potential becomes more positive than the resting potential, the cell membrane is said to be depolarized.
When the membrane potential becomes more negative than the resting potential, the membrane is said to be hyperpolarized.
The resting membrane potential is determined by the uneven distribution of ions (charged particles) between the inside and outside of the cell and the differential permeability of the membrane to different types of ions.
For more information on membrane, visit :
https://brainly.com/question/12993635
#SPJ4
What happens with gametes to create chromosomal abnormalities?
Gametes are reproductive cells that contain half the genetic material necessary for creating a new organism.
What is organism?An organism is a living being that has an organized cellular structure and can independently carry out life processes. Organisms are made up of cells, which are the basic unit of life. All organisms must be able to acquire energy, process food, excrete wastes, and reproduce to survive. Examples of organisms include plants, animals, fungi, and bacteria.
When these gametes combine during fertilization, abnormalities can occur if the gametes contain an abnormal number of chromosomes. An abnormal number of chromosomes can be caused by a variety of factors, including errors during cell division, exposure to radiation, or a genetic mutation. When gametes with an abnormal number of chromosomes combine during fertilization, the resulting zygote (fertilized egg) can have chromosomal abnormalities, such as Down syndrome, Turner syndrome, or Klinefelter syndrome. These chromosomal abnormalities can result in a variety of medical, physical, and mental health issues.
To learn more about organism
https://brainly.com/question/29775654
#SPJ1
your professor wants you to construct a phylogenetic tree of ferns. she gives you samples from seven fern species and one moss. what is the most likely reason she gave you the moss sample?
The professor gave samples from seven fern species and one moss. The most likely reason of her giving the moss sample is to serve as an outgroup. An outgroup is a taxon that is closely related to, but not a member of, the group being studied.
It serves as a reference point for comparison, providing a basis for identifying the shared and derived characters that distinguish the members of the ingroup (the group being studied) from other taxa. By comparing the characters of the ingroup and outgroup, one can identify which characters are unique to the ingroup and which have been inherited from a common ancestor. In this case, the lily is not an orchid species but is closely related to orchids, so it is a suitable outgroup for constructing a phylogenetic tree of orchids. By comparing the characters of the orchids and the lily, one can identify which characteristics are unique to the orchids and which have been inherited from a common ancestor. This allows for the identification of shared derived characters, which can be used to group the orchids into related clades on the phylogenetic tree.
To read more about phylogenetic tree, click on https://brainly.com/question/14656168
#SPJ4
The given question is incomplete. The complete question is as follows:
Your professor wants you to construct a phylogenetic tree of orchids. She gives you tissue from seven orchid species and one lily. What is the most likely reason she gave you the lily?
A. to see if the lily and the orchids show all the same shared derived characters
B. to see if the lily is a cryptic orchid species
C. to serve as an outgroup
D. to demonstrate likely homoplasies
1) What arrangement is not seen in rod-shaped cells? Coccus shaped cells? 2) What is the reasoning why acidic dyes stain only the background and not the cells?
The arrangement that is not typically seen in rod-shaped cells is the spherical, or coccus, shape. Rod-shaped cells, or bacilli, are elongated and cylindrical
whereas coccus-shaped cells are spherical. While some bacteria can switch between different shapes, coccus-shaped bacteria generally do not adopt a rod-shaped form.
Acidic dyes are negatively charged, while the cell walls and cytoplasm of bacterial cells are negatively charged as well. As a result, acidic dyes are repelled by the negatively charged bacterial cells Rod-shaped cells and do not penetrate or stain them. However, the background material, such as the glass slide or agar surface, may be positively charged or neutral, allowing the negatively charged acidic dye to bind and stain the background material. In contrast, basic dyes are positively charged and can bind to the negatively charged bacterial cells, allowing them to be stained. This is why basic dyes are commonly used to stain bacterial cells for microscopic observation.
learn more about Rod-shaped cells here:
https://brainly.com/question/30623917
#SPJ4
