Clams do not have 200 eyes.
Clams are bivalve mollusks, meaning that they have two shells that protect their soft body. They do not have eyes in the traditional sense, as they do not have a head or a nervous system that would allow them to process visual information. Instead, clams have simple light-sensitive cells called photoreceptors that are located on their mantles. These cells allow clams to detect changes in light and dark, but they do not have the ability to see in the way that humans or other animals do.
However, some species of clams have a small number of eyespots located on their mantles which are used to detect light, but the number of eyespots is not 200. These eyespots are not capable of forming images, but they can detect the presence of light and the direction from which it is coming. This allows clams to orient themselves within their environment and detect potential predators or prey.
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which immune cells are activated first when suspicious cells are identified in the blood stream?
The immune cells that are first triggered when suspicious cells are found in the blood stream are called phagocytes.
A specific kind of immune cell that can encircle and eliminate bacteria, consume foreign objects, and eliminate dead cells. It may also strengthen immunological responses. Phagocytes include monocytes, macrophages, and neutrophils. One kind of white blood cell is the phagocyte.
Monocytes, macrophages, neutrophils, tissue dendritic cells, and mast cells are the primary subtypes of phagocytes. Although they are not predominantly immune system cells, other cells including epithelium and fibroblasts may also engage in phagocytosis. However, they lack the receptors needed to recognise opsonized pathogens.
When a cell engages in phagocytosis, it utilises its plasma membrane to engulf a big particle, creating the phagosome, an internal compartment. It is a specific kind of endocytosis. Phagocytes are cells that carry out phagocytosis.
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Pros and cons of ocean pollutions . (Plastic in the ocean)
Answer:
Check explanation
Explanation:
Cons- The most visible impacts of plastic debris are the ingestion, suffocation and entanglement of hundreds of marine species. Marine wildlife such as seabirds, whales, fish and turtles mistake plastic waste for prey; most then die of starvation as their stomachs become filled with plastic.
Pros- Researchers are concerned that this proliferation of plastic may be giving striders, microbes, animals and plants that grow directly on the plastic an advantage over oceanic animals that are not associated with hard surfaces, such as fish, squid, tiny crustaceans and jellyfish.
The Purpose of the Fruit is to assist the Plant in Water & Glucose Retention
O True
O False
The carbon dioxide and water are converted by plants into a sugar known as glucose using the power of the sun. Plants use glucose as a source of energy and to create other compounds like cellulose or starch. Cell walls are constructed using cellulose. As a food source, starch is kept in seeds or other plant parts.
What foods raise blood sugar?In general, foods that are high in carbs, which are easily transformed into energy, such rice, bread, fruits, and sugar, cause blood sugar levels to rise the fastest.
What causes a glucose shortage?taking much insulin. not consuming enough carbohydrates for your insulin dosage. timing of insulin administration. physical activity level and time
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What is the importance of studying the basic concepts of the theory of evolution?.
The importance of studying the basic concepts of the theory of evolution is that it helps to explain the diversity of life on Earth, the relationships between different species, and the mechanisms that drive the process of evolution.
Key points:
The theory of evolution explains how species change over time.Understanding the basic concepts of evolution helps to explain the diversity of life on Earth.It helps to understand the relationships between different species.It explains the mechanisms that drive the process of evolution.It has important implications for fields such as medicine, agriculture, and conservation biology.It is a scientific explanation for the origin of species.Understanding the theory of evolution provides a scientific framework for understanding the natural world.It can help individuals make informed decisions about scientific and social issues.Learn more about the theory of evolution here:
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Innate Behaviors Are part of the encoded ________ that offspring inherit from their parents. Please answer this.
This is Science
Answer:
DNA
Explanation:
Hope it helps:)
Why is Claire hallucinations?.
We've seen Claire throughout the season have numerous hallucinations of Lionel Brown. In this episode, her hallucinations of Lionel frequently allude to witchcraft, selfish tendencies, or exploit the anger and betrayal she felt over Malva's false accusation of Jamie.
What is hallucinationHallucinations are sensations created by one's mind without any real source. This disorder can affect all five senses. A person is called hallucinating when he sees, hears, feels, or smells a scent that isn't actually there. These things exist only in their minds. People with hallucinations often have a strong belief that what they experience is a real perception, which often causes problems in everyday life. People who have hallucinations may also have deviant behavior.
Causes of HallucinationsHallucinations can arise due to various factors. Here are some of the most common causes of hallucinations:
Psychiatric disorders, such as schizophrenia, dementia, and severe depression with symptoms of psychosis. Psychosis is a collection of symptoms of a mental disorder in which a person feels separated from the true reality, characterized by emotional and thought disturbances. People with psychosis will find it difficult to distinguish between what is real and what is not. Nervous and brain disorders, such as Parkinson's disease, migraine with aura, delirium, stroke, epilepsy, and Alzheimer's disease. Consuming too much alcohol and illegal drugs, such as cocaine, amphetamines, heroin and psychedelic drugs. Fever in young children or in the elderly. Sleep disorders, such as narcolepsy. Serious illness, such as kidney failure or advanced liver disorders, HIV/AIDS, brain cancer. Severe head injury. Electrolyte disturbances, such as low blood sodium levels (hyponatremia) and low magnesium levels (hypomagnesemia). Acid base disorders, such as in conditions of acidosis. Medication side effects. Sleep disordersLearn more about hallucination at https://brainly.com/question/7202494.
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surrounding the myofibrils are membranous sacs called the
Sarcoplasmic reticulum are membranous sacs which surrounding the myofibrils. it is involves in muscle contraction by regulating Ca homeostasis.
The handling of calcium ions (Ca2+), essential for muscle contraction and relaxation, takes place in the sarcoplasmic reticulum (SR), a specific type of endoplasmic reticulum found in muscle cells. The SR is structured in striated muscle cells into a variety of linked tubules that together form a network of longitudinal elements that surround each myofibril, according to studies using electron microscopes (EMs). The sarcoplasmic/endoplasmic reticulum Ca2+ ATPases (SERCA), which actively pump Ca2+ from the cytoplasm to the lumen of the SR, control the removal of Ca2+ from the cytosol by these long tubules, which are referred to as longitudinal SR (l-SR). The A and I bands of each sarcomere are where each skeletal muscle fiber's l-SR is concentrated.
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a normal colorblind female and a colorblind male have a colorblind girl, what is the probability that they have a colorblind son
Answer:
100%
Explanation:
cause both parent are colorblind
product remaining after the animal carcass has been processed
A byproduct is the item that remains after the animal corpse has been processed. The result is the required response.
The body of an animal that has been stripped of its head, legs, tail, hide, and internal organs is known as a carcass. Animal byproducts, or ABPs, are compounds that come from animals but are not intended for human consumption. One example of an ABP is waste from slaughterhouses, which includes skin, bones, horns and hooves, blood, fat, and offal.
In actuality, rendered animal products can serve as the foundation for a wide range of other items, including soaps, paints, candles, plastics, and rubber goods. There is zero chance that any bacteria or viruses will remain in the processed carcasses because all animal by-products are sterilized at extremely high temperatures.
A rendering industry byproduct is meat and bone meal (MBM). Typically, it contains 4-7% water, 8-12% fat, 33-35% ash, 48-52% protein, and more. To enhance the amino acid profile of the feed, it is largely employed in the formulation of animal feed.
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How successful was the New Deal in achieving relief recovery and reform?.
The three waves of relief recovery and reform in the New Deal were viewed as successful in boosting the economy and lessening the effects of the Great Depression. The Social Security System and the FDIC are just two examples of important New Deal reforms that are still present today.
Reform, recovery (of the economy through federal expenditure), and relief (for the unemployed) are often used as shorthand for the New Deal (of capitalism, by means of regulatory legislation and the creation of new social welfare programs).
The Relief, Recovery, and Reform (RRR) initiatives of FDR concentrated on emergency relief initiatives, stock market and bank regulation, debt relief, debt management, industrial recovery, and the introduction of public works construction projects. The objectives of recovery were to repair the economy and put an end to the Great Depression.
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This figure shows a phylogenetic tree of birds and their close relatives. Identify the monophyletic taxon.
Birds and crocodiles and their common ancestor
Birds and dinosaurs and their common ancestor
Birds and the common ancestor of dinosaurs and birds
The monophyletic taxon in this figure would be "Birds and the common ancestor of dinosaurs and birds". This taxon includes birds, their ancestors, and all the descendants of that ancestor.
What is the significance of a monophyletic group in a phylogenetic tree?A monophyletic group in a phylogenetic tree represents a group of organisms that share a common ancestor and all the descendants of that ancestor. It is considered a natural group, as it reflects evolutionary relationships among organisms. Understanding monophyletic groups can help scientists to infer evolutionary relationships, track the diversification of organisms, and infer the characteristics of their common ancestor. Monophyletic groups are important in evolutionary biology because they reflect the true evolutionary relationships among organisms and help us understand how different groups of organisms have evolved over time.
The other two options are not monophyletic because they include other groups of animals that are not directly related to birds (crocodiles and dinosaurs). A monophyletic group is a group of organisms that share a common ancestor and all the descendants of that ancestor.
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Which organic compound essential to cells is missing from the chart, and what function does it serve in cells?
Inorganic
Compound:
Function:
carbohydrates
provide short term
energy for cells
lipids
found in cell
membranes
?
Reset
?
OA. ATP-nutritionally important substance that come from the Earth.
OB. minerals - universal energy source of cells
OC. minerals -nutritionally important substance that come from the Earth.
O D. ATP-immediate energy source for cells
Next
nucleic acids
information
system for cells
amino acids
building blocks of
proteins
proteins
form many
structures within
cells
Answer:
Explanation: A ATP-nutritionally important substance that come from the Earth
Who introduced the concept of natural selection?.
The concept of natural selection was introduced by Charles Darwin and Alfred Russel Wallace in the 19th century.
They independently proposed the idea that species evolve over time through a process of natural selection, in which certain variations that confer an advantage in survival and reproduction are passed on to future generations. This theory is considered one of the most important scientific ideas of all time and is the foundation of the modern theory of evolution.
Key points:
Charles Darwin and Alfred Russel Wallace introduced the concept of natural selection in the 19th century.Natural selection is a process through which certain variations that confer an advantage in survival and reproduction are passed on to future generations.The theory of natural selection is the foundation of the modern theory of evolution.It explains how species change over time through the mechanism of heritable variations and the process of natural selection.It is one of the most important scientific ideas of all time.Learn more about the natural selection here:
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macromolecules in which class have the key function of storing genetic information?
Genetic information is stored, transmitted, and expressed by nucleic acids, which are polymers. The sequences of monomers that make up nucleic acids are coded with this data.
Macromolecules are what?In essence, macromolecules are polymers—lengthy sequences of molecular building blocks known as monomers. Long polymers are present in carbohydrates, proteins, and nucleic acids. They are referred to as macromolecules since they are polymeric and huge in size.
What are macromolecules, and what are their purposes?A cell is made up of several large molecules known as macromolecules, which give it vital life-supporting functions. For instance, macromolecules offer structural support, a way to store energy, the capacity to store and retrieve genetic data, and the capacity to quicken metabolic processes.
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the ventral cavity includes which of the indicated subdivisions in the figure?
The ventral cavity is divided into two sections: thoracic and abdominopelvic. The sub thoracic (C) and abdominopelvic cavities (D and E) are located in the ventral cavity.
The ventral cavity is located at the front, or anterior, of the trunk. The lungs, heart, stomach, intestines, and reproductive organs are all housed within this bodily cavity. The ventral cavity permits the organs within it to change size and shape as they fulfil their jobs. Organs like the lungs, stomach, and uterus, for example, can expand and contract without distorting other tissues or interfering with the operations of surrounding organs. In order to know that the ventral cavity is separated into the thoracic and abdominopelvic cavities. The thoracic cavity is the largest cavity in the body and is separated into two pleural cavities and one pericardial cavity. The lungs are housed in the pleural cavities, and the heart is housed in the pericardial cavity. And the abdominopelvic cavity is separated into the abdominal cavity and the pelvic cavity and occupies the bottom half of the trunk. The abdominal cavity houses digestive organs and the kidneys, while the pelvic cavity houses reproductive organs and excretory organs. Therefore, the (C) represents thoracic cavity and (D and E) represents abdominopelvic cavities in the ventral cavity.
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The Complete question is: The ventral cavity includes which of the indicated subdivisions in the figure?
Cancer cells dont respond to signals that regulate what?
Cancer cells don't respond to signals that regulate the growth of other cells.
The main variations between healthy and cancerous cells have to do with development, communication, cell repair and death, "stickiness" and spread, appearance, maturation, immune system evasion, function, and blood supply. When there are enough cells, normal cells stop procreating (growing).
For instance, if skin cells are being created to heal a cut, new cells are no longer produced after there are enough cells on hand to completely fill the hole (when the repair work is done).
In contrast, cancer cells continue to multiply even after there are enough cells. Before they have a chance to develop, cancer cells proliferate quickly. Frequently, a tumor (a collection of cancer cells) is created as a result of this unabated replication.
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Why does the amount of dna change durung the cell cyle, and why is this important to the life of an organism?.
The DNA change during the cell cycle ,content of each chromosome therefore doubles during the S phase of a mitotic cell cycle while the total number of chromosomes remains constant.
In the cell cycle, why is DNA significant?A cell needs proteins and enzymes to survive, and DNA contains the instructions for their production. An additional copy of DNA is made during DNA replication, and this copy is then transferred to a newly formed cell. A daughter cell cannot survive if its DNA is not copied because it lacks the equipment for protein synthesis.
What caused a change in the DNA synthesis's DNA amount?At the start and the end of synthesis, compare the amounts of DNA. The DNA content changed, but why? Because DNA replicates, its quantity increased by twofold.
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Occurs when a scar is not strong enough to prevent the reopening of a wound, called?
An outwardly or internally reopened surgical scar is known as wound dehiscence. It is sometimes referred to as dehiscence.
A surgical complication called wound dehiscence occurs when an incision, or cut made during surgery, reopens. It is also known as wound separation, wound breakdown, and wound disruption. The margins of an incision have peeled apart in one or even more small spots, which is referred to as partial dehiscence. Dehiscence is a side effect of suture failure, tension-induced shear stresses, or fascial necrosis due to infection and/or ischemic (2). Evisceration is the uncontrollable exteriorization of internal organ contents through a surgical scar that has broken open outside the abdominal cavity. Numerous factors, including ageing, diabetes, infections, obesity, smoking, and poor nutrition, can contribute to wound dehiscence.
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A group of students form a healthy earth club at their school their goal is to limit their schools impact on human-led climate change . They brainstormed a list of actions they can take to meet this goal I need this answer asap!!!
Encourage employees and students to bike or walk to school. Make a green travel plan and encourage everyone at your school to do their part because traffic is a significant source of CO2 emissions and air pollution.
In the fight against climate change, what part does education play?It aids individuals in comprehending and addressing the effects of the climate catastrophe by equipping them with the information, know-how, values, and attitudes necessary to engage as change agents.
What impact is climate change having on schools?Our groundbreaking longitudinal research makes a startling revelation about how early exposure to climate shocks like droughts and floods affects children differently, impacting their nutrition and access to schooling. The poorest children are most negatively impacted, which slows down their learning development.
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How can artificial selection decrease a population's biodiversity?a. it removes weaker species, leaving stronger species behind to reproduce. b. it selects which traits (good or bad) are passed onto the next generation. c. it increases the rate of natural selection and change within a population. d. it reverses natural selection by selecting species most adapted to survive.
By reducing the rate of natural selection and change within a population, artificial selection reduces population diversity.
Artificial selection happens when people choose individuals based on their desired qualities or personalities; this covers both plants and animals.
Natural selection takes place in nature; here, qualities that are inheritable and enable an individual's survival and reproduction, leading to an increase in population, are selected.
Natural selection can no longer take place when qualities and personalities are chosen for artificial selection. This also limits the number of genotypes because only those who are interested are advanced while others are not.
Natural selection promotes diversity by choosing individuals with the best genotypes for survival. As a result, artificial selection slows down natural selection and population change.
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Are there only 46 chromosomes in each cell?.
There are only 46 chromosomes in each cell. True. Chromosomes in a cell are 46 chromosomes or 23 pairs of chromosomes.
Genes are information containing the characteristics of living things that can be passed on to their offspring stored in DNA. Genes consist of DNA spun by histone proteins and arranged in a linear and orderly sequence at loci on chromosomes.
Chromosomes are fine threads that easily absorb color and function as hereditary carriers. In humans, the number of chromosomes in a diploid cell is 46 or 23 pairs of chromosomes. The chromosomes consist of 44 pieces or 22 pairs of body chromosomes (autosomes) and a pair of sex chromosomes (gonosomes), namely XX in females and XY in males.
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What do photosynthesis, respiration, and
consumption all have in common?
A. consumes carbon
B. creates carbon
C. doubles carbon
4
D. destroys carbon
Answer:
A. consumes carbon
Explanation:
All three processes involve the consumption of carbon in various forms, such as carbon dioxide, glucose, and other organic molecules.
Answer: A. consumes carbon
When cells make proteins, why do they make a copy of mRNA to send out of the
nucleus to the ribosome? Why don’t they just send a piece of the original DNA, to
make sure there can’t be any mistakes?
Simply said, you need to maintain and preserve your DNA. The cell creates an intermediate mRNA as a result, rather than delivering it to the cytoplasm where it may undergo a variety of changes. If there is a problem with the mRNA, the cell has the option of discarding it and creating another copy.
After translation, the new copy of the mRNA is also thrown away. Amplification is another option; rather than producing one protein from one gene on a DNA strand, followed by another and another, we can simply produce a large number of copies of mRNA and send them to the nucleus, where we can produce as many proteins as we require. There is very little alteration to the original DNA strand while performing this. By doing this, the original DNA strand is barely touched and the cell produces a large amount of material quickly.
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convert northing and easting to latitude and longitude
That easting and northing are subtracted by the corresponding offset values.Find the destination location given a base point, an exact number of the easting, or the heading of 90 degree angle if the trade refers to the exchange is positive or 270 degrees when it is negative to determine the longitude of a given point.
Are northing and easting the same as UTM?Easting and northing, often known as the "easting" and "northing," respectively, are the units used to denote UTM grid coordinates in meters.
How are easting and northing read?The numbers moving up the map form bottom to top are known as northings because they move up inside a northward direction, whereas the numbers moving across the map form left to right are known as eastings because they increase in value eastward.
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in which direction does the dna polymerase build a new strand
During replication, the fact that DNA polymerases can only make DNA in the 5' to 3' direction is problematic.
An anti-parallel DNA double helix is always present; To put it another way, one strand extends from 3 to 5 feet, while the other extends from 3 to 5 feet.
The lagging strand is the new strand's name. Why is this?However, the other parent strand that runs from 5' to 3' is synthesized piece by piece rather than continuously. Because it lags slightly behind the leading strand, it is referred to as the lagging strand.
Why does DNA polymerase increase from 3 to 5?Because DNA polymerase acts on the 3'-OH of the existing strand to add free nucleotides, DNA replication proceeds in the 5' to 3' direction.
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What are Mendel's hypotheses?.
Gregor Mendel proposed several hypotheses about the inheritance of traits in plants, which he tested through a series of experiments with pea plants.
Gregor Mendel was an Austrian monk who is known as the father of modern genetics.
Mendel's first hypothesis was that traits are inherited as discrete units, which he called "factors." He proposed that these factors exist in pairs, with one inherited from each parent, and that the dominant factor determines the appearance of the trait.
His second hypothesis was that the factors for different traits are inherited independently of one another, meaning that the inheritance of one trait does not affect the inheritance of another trait.
Mendel's third hypothesis was that the factors for a trait can be blended together in the offspring, but that the original factors are not lost and can reappear in later generations.
Mendel's experiments and hypotheses laid the foundation for the study of genetics and provided evidence for the existence of inherited factors that determine the traits of organisms.
His work was not widely accepted during his lifetime, but it was rediscovered in the early 1900s and is now considered a cornerstone of modern biology.
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What solves the problem of the cell growing too large?.
In order to increase the surface to volume ratio of the cells, cell division reduces the volume of cytoplasm in the two daughter cells and divides up the duplicated DNA and organelles.
If cells get too big, they face three basic issues. Diffusion moves too slowly to deliver materials to the interior of an oversized cell. Diffusion also struggles to remove all the wastes from an overly big cell. Large cells have a smaller surface area in relation to their size. Large cells have a lower surface area to volume ratio, is how this is typically put. The plasma membrane, which is located on the surface, is responsible for allowing the proper materials to enter and exit the cells. The surface area of cells does not grow at the same rate as their volume.
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Peppered Moth
1. Where do peppered moths live? _____________________________________
2. How do the moth larvae survive predators? _____________________________
3. What do the moths do during the winter? _______________________________
4. What color is the "typical" version of the moths? _________________________
What color is the "carbonaria" version? _______________________________
5. How do adult moths survive predation? _________________________________________
Peppered moths are native to the forests of England and Wales. The larvae of peppered moths survive predators by hiding on tree trunks and blending in with their surroundings. During the winter, the moths go into hibernation. The typical version of the moths is light gray, while the carbonaria version is dark black. Adult moths survive predation by blending in with their surroundings during the day and being active only at night when they are less likely to be seen.
Peppered moths are a species of moths that are native to the forests of England and Wales. They have a unique ability to blend in with their surroundings, which helps them to survive predation from birds and other predators. The larvae of peppered moths are able to blend in with the tree trunks they live on, making them less visible to predators. During the winter, the moths go into hibernation to conserve energy. The typical version of the moths is light gray in color, while the carbonaria version is dark black. This dark coloration helps the moths to blend in with the soot-covered trees in industrial areas, providing additional protection from predation. The adult moths are also less visible to predators by being active only at night when they are less likely to be seen.
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The diagram below shows how different groups of animals are related. Based on the diagram,
which statement is correct?
Answer:
Birds have evolved from lizards and snakes. - No
Crocodiles are more closely related to lizards than turtles. -No
Birds share a common ancestor with lizards and snakes.- Yes
Birds are more evolved than turtles - This chart does not contain such information, so No.
What is the importance of knowing what is wrong with our Reproductive System?
