Answer:
Sympatric speciation
Explanation:
Sympatric speciation is the evolution of a new species from a surviving ancestral species while both continue to inhabit the same geographic region.
HELP MEE, (Not a quiz)
PLEASE HELP MAX POINTS
04.05 MC) What type of energy transformation takes place when carbon is cyded during cellular respiration?
Select one:
a. Chemical energy to chemical energy
b. Chemical energy to electrical energy *
c. Mechanical energy to chemical energy
d. Mechanical energy to mechanical energy
Answer:
A) Chemical energy to chemical energy.
•••••••••••••••••••••
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Answer:
Option A
Explanation:
cellular respiration happens in living species not machines .
Our bodies doesn't contain or produce electricity .
Hence chemical energy is converted only into chemical energy
Option A
1. A woman presents breast milk production without being pregnant and without having
given birth in accordance with the above it is most likely that in the body of this
woman there hypersecretion of
a. Insulin
B. Prolactin
C. Cortisol
D. Secretina
the answer is B! prolactin
What is the definition of gene flow?
Answer:
the transfer of genetic material from one population to another
Explanation:
In many parts of the world, the average age of reproductive maturity is increasing as humans move from urban to rural environments. Suppose that the current average age of first reproduction is 15 years old in India and 20 years old in France. How would a 5-year increase in the average age of reproduction in both countries be expected to affect the per capita birth rate, and would this effect be greater in France or in India
Answer:
Increase in France.
Explanation:
A 5-year increase in the average age of reproduction in both countries i.e. France and India, it will greatly affected the per capita birth rate of both countries but higher in France because the average age of reproduction is higher in France as compared to India. The average age of first reproduction is 15 years old in India and 20 years old in France but with the increase of 5 years, the average age of first reproduction is 20 years old in India and 25 years old in France.
Which structures of this organism work together to carry out all of its life
functions?
Answer:
nucleus
Explanation:
select the correct answer from each drop down menu.
both anaerobic and aerobic respiration use __ to produce ATP and NADH
what are the examples of facultative carnivores?
Explanation:
Facultative carnivores are those that include significant amounts of plant material in their diet. Most dogs (canids), for example, are facultative carnivores, though gray wolves and African wild dogs (painted hunting dogs) are hypercarnivorous.
please help!! will give brainliest to whoever answers
Answer:
A
Explanation:
Just try it out if not then sorry but im pretty sure its A
Answer:
D Organisms that have favourable characteristics will survive and reproduce
Explanation:
"fitness is defined as reproductive success"
wikipedia
Question 8 of 10
A biologist measures the allele frequencies of pea plants in a very controlled
environment. The plants can either have a dominant tall allele (7) or a
recessive short allele (t). Which of the following would be a reason that this
population is not at Hardy-Weinberg equilibrium?
O A. There are no mutations in the alleles for height.
B. Tall plants are more likely to survive.
O c. All of the pea plants reproduce exactly once.
O D. The pea flowers are pollinated at random.
Answer:
C. Tall plants are more likely to survive (
Explanation:
for fun
if you had to choose what animal would you be^-^
Answer:
Husky. Why not?
Explanation:
Science is not a process, but just a body of facts that
accumulates overtime.
TRUE
FALSE
Answer:
False
Explanation:
Science is more about gaining knowledge than it is about simply having knowledge. Science is a way of learning about the natural world that is based on evidence and logic. In other words, science is a process, not just a body of facts. Through the process of science, our knowledge of the world advances.
Please help me I dont know the answer
Question 1 (True/False Worth 1 points)
(01.02 LC)
Sustainable practices refer to the practices, services, and guidelines we develop to protect ourselves within our environment.
True
False
Answer: True
Explanation:
Sustainable practices refer to the practices, services, and guidelines that are developed in order to protect ourselves within our environment.
Sustainable practices support human, ecological, economic and human health. With sustainability, it's agreed that there are finite resources and they should be used conservatively and maintained for future generations.
The statement is true.
Answer:
False; I did the quiz and I answered "True" and got it incorrect
On your first research mission you make an amazing discovery by finding a new species living in the hostile environment of the Sahara desert. After observing it carefully you determine that it is not an autotroph, it is multicellular, and it does not contain any chitin. What is the best classification for it
Answer:
Animalia
Explanation:
A multicellular organism is an organism composed of two or more cells. Multicellular organisms include animals (i.e., organisms from kingdom Animalia), plants, and most fungi. Moreover, an autotroph is a living organism that can produce its own food by using materials from inorganic sources (e.g., water, carbon dioxide, etc); whereas a heterotroph is an organism that cannot produce its own food and thereby needs to eat other organisms, like plants or animals, to survive. Multicellular autotrophs are typically plants; whereas multicellular heterotrophs include all animals, fungi and some parasitic plants. Finally, chitin is a polysaccharide (polymer) of N-acetylglucosamine, which is found in the cell wall of fungi, as well as in the exoskeleton of some animal groups such as, for example, insects, crustaceans, etc.
In plants, most differentiated cells retain Group of answer choices a complete set of their genes and retain the ability to express those genes under certain circumstances. a complete set of their genes but lose the ability to express most of those genes. only a tiny fraction of their original set of genes. the ability to dedifferentiate but then cannot return to their original differentiated state.
Answer:
due to their excessive numbers in tissues. ... because their developmental potential is limited to certain tissues. In plants, most differentiated cells retain. A) only a tiny fraction of their original set of genes.
Explanation:
hmm i think this is your answer
Which activity is a way engineers can control erosion?
O A. Testing a body of water near a building site to make sure that it
can support wildlife
B. Using protective barriers to hold the soil on sites exposed by
construction activities
C. Designing buildings that can be maintained using minimal water
and electricity
D. Looking for soil that contains minerals that bind with particular
pollutants
Answer:
B. Using protective barriers to hold the soil sites exposed by construction activities.
What is atom in a chemical reaction?
Answer:
the atoms are molecules that react with each other, they're called reactants
Explanation:
What is a genotype???????
Answer: A genotype is an individual's collection of genes.
Explanation:
6. What do fungi have in common with animals?
Answer:
Fungi are more like animals because they are heterotrophs, as opposed to autotrophs, like plants, that make their own food. Fungi have to obtain their food, nutrients and glucose, from outside sources. The cell walls in many species of fungi contain chitin.
Your service club is offering a prize for the best community educational plan. Not only would you love to win the prize, but you think this is a good opportunity to advocate against ATOD abuse. You know that ATOD abuse can be a big problem in a community, and you want to help people learn about it.
Before you start creating your campaign, it's important to research what is going on with ATOD abuse in your community.
1. Using local news media sources, find five news stories related to ATOD abuse in your community. For each news story, identify a barrier that prevented the person or people involved from making better decisions regarding ATOD use.
1. Hailey Hesch started using dr#gs when she was 12 years old. She experimented with a lot of hardcore dr#gs like h3roin. A barrier that prevented her from stopping her addiction to the feeling she got when she took dr#gs. She said it made her feel amazing and really happy.
2. Jeremy B smoked a lot of w33d, drank, fought people, and chased girls around with his friends frequently. After a while, he started to use and experiment with other dr#gs like h3roin and d0pe. A barrier that prevented him from making healthier choices was due to curiosity.
3. Kristina started her dr#g addiction with painkillers she took for an injury. She took them as they were prescribed at first, but after losing an opportunity to get a scholarship, she started abusing the painkillers. However, the painkillers were not enough, so she started using hardcore dr#gs to try to reach a "High". Nothing worked so then she kept abusing them more and more. She noticed that she was becoming very unstable, so she forced herself to get treatment. A barrier that prevented her from making better decisions was because she was blinded by grief and anger.
4. Adam was a 27 year old who was very athletic and smart. No one would have seen it coming, but he died due to a dr#g overdose. There was no one in his entire family that knew about his addiction, and when they found out, it was too late. A barrier that made him addicted is unknown, but some people suspect that it was because of friends or outside influences.
5. Cassie was a smart and successful woman who was very well-rounded. She went to church, donated to charities, and helped children with activities like tutoring and basketball. However, her parents started noticing unusual behavior from her. She shut herself off, had intense mood swings, and looked physically exhaused. Their suspicions were confirmed when she collapsed in the middle of the day. The doctor's diagnosis stated that she overdosed on m3th and that she was in a permanent coma. Later, the doctor broke the awful news to her parents, Cassie had irreversible brain damage and was a lost cause, so she died after being taken off of life support. A barrier that prevented her from making better choices was that no one took action when her behaviour drastically changed.
Is there a difference between "living" and "life"? Explain.
Answer:
in my opinion
I think that there is a difference between the both
Explanation:
since living refers to the present time as we do things , move , talk and so on ..whereas life is placed within us like we have life with us even when we sleep.. we breath in the oxygen which is the atmosphere we breath in order to live .. but both have some common similarities
8. Which of the following events could lead to genetic drift in a population? *
A. A volcano erupts on an island leaving only a few survivors in a population.
B. The immigration of individuals into a large population, causing the population size
to increase further.
O C. A large population that continues to grow exponentially.
O D. A catastrophe that causes an extinction of the entire population.
Answer:
B
Explanation:
A few individuals from a large, diverse population leave and establish a new population
The movement of oxygen from the alveoli into pulmonary capillaries and carbon dioxide from pulmonary capillaries to the alveoli is: Select one: a. Internal Respiration b. External Respiration c. Pulmonary Respiration d. None of the above.
Answer:
External Respiration.
Explanation:
External Respiration is the type of respiration in which exchanges of gases occurs between the lungs and the bloodstream i.e. pulmonary capillaries. Inside the lungs, oxygen is loaded into the hemoglobin and carbon dioxide waste is unloaded, this process is called external respiration. This respiratory process takes place through the help of hundreds of millions of microscopic alveoli.
How are proteins and nucleic acids related?
Answer:
C) The structure of proteins is determined by nucleic acids.
Explanation:
Protein is a polypeptide-based molecule. Polypeptides are a type of biological molecule made up of chains of amino acids. Nucleic acid, which comprises deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), is a family of macromolecules made composed of long chains of polynucleotides (RNA).
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What is the correct order of structures in a chromosome from smallest to largest? nucleosome, nucleotide, histone, tight helical fiber, supercoil, chromosome nucleotide, histone, nucleosome, tight helical fiber, supercoil, chromosome nucleotide, nucleosome, histone, supercoil, tight helical fiber, chromosome nucleotide, histone, tight helical fiber, nucleosome, chromosome, supercoil
Answer:
nucleotide, histone, nucleosome, tight helical fiber, supercoil, chromosome.
Explanation:
Genomics refers to the scientific study of genes (DNA) found in living organisms such as humans and animals.
A genome can be defined as the complete set of hereditary instructions that is typically found in the deoxyribonucleic acid (DNA).
The complex structures of deoxyribonucleic acid (DNA) and protein found in the cell nucleus are generally referred to as chromosomes.
Chromosomes are found in the cell nucleus and are comprised of deoxyribonucleic acid (DNA), histone proteins, etc. Thus, they are used to store genetic informations in living organisms.
The human somatic cell is made up of 46 chromosomes which are sub-divided into 22 pairs of autosomes and a pair of sex chromosomes (X and Y). An autosome is one of the numbered chromosome that is typically not a sex chromosome.
In Genetics, the correct order of structures in a chromosome from smallest to largest are; nucleotide, histone, nucleosome, tight helical fiber, supercoil, chromosome.
Although ____________ is the most efficient and sometimes least-costly way to cut trees, it can also harm an ecosystem by causing increased erosion, sediment pollution of nearby waterways, and losses in biodiversity.
Answer:
Clear cutting.
Explanation:
Clear cutting is the most efficient and less costly way to cut down the trees. This practice of cutting trees can harm an ecosystem by increasing erosion, sediment pollution of waterways, and losses in biodiversity that lives there before the cutting of trees. This clear cutting destroy the habitat of thousand of organisms and erosion of the productive layer of soil occurs that is depleted due to heavy rainfall and wind.
What is the role of the fungus in the food web shown?
boa constrictor
beetle
- coati
poison dart frog
sloth
strangler fig
fungus fruit bat
A. To recycle molecular building blocks
a
B. To break down photons
C. To gather green light
O D. To convert light energy into chemical energy
Answer:
OptionA because decomposers are associated
Explanation:
The role of the fungus in the food web shown is to recycle molecular building blocks. The correct option is A.
What is food web?A food web is a diagram that depicts the interconnection of various organisms in an ecosystem via the exchange of energy and nutrients.
The food web is made up of several interconnected food chains that represent the flow of energy from one organism to the next.
Fungi are decomposers that play an important role in breaking down organic matter and recycling nutrients in many ecosystems.
The fungus in the food web is most likely breaking down dead plant or animal matter, releasing nutrients like carbon, nitrogen, and phosphorus back into the soil.
These nutrients are then absorbed by plants, which are then consumed by herbivores such as the coati and sloth.
Thus, the correct option is A.
For more details regarding food web, visit:
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Give the functions of the following parts of the respiratory system - Nostril - trachea - bronchiole - alveoli - pharynx - larynx - lungs - ribs - diaphragm
Answer:
Respiratory System: The respiratory system's main job is to move fresh air into your body while removing waste gases.
Nostril: To warm air on inhalation and remove moisture on exhalation.
trachea: Serves as passage for air, moistens and warms it while it passes into the lungs, and protects the respiratory surface from an accumulation of foreign particles.
bronchiole: To deliver air to a diffuse network of around 300 million alveoli in the lungs.
alveoli: To exchange oxygen and carbon dioxide molecules to and from the bloodstream during breathing.
pharynx: Helps the respiratory system by allowing air to make its way to the respiratory tract.
larynx: Produces vocal sounds and prevents the passage of food and other foreign particles into the lower respiratory tracts.
lungs: To help oxygen from the air we breathe enter the red cells in the blood.
ribs: To aid respiration and help protect the lungs.
diaphragm: Contracts and flattens when you inhale. Creates a vacuum effect that pulls air into the lungs, and relaxes when exhaling.
The La Brea Tar Pits in Los Angeles are the site of millions of fossils from the ice age. Woolly mammoths, giant sloths, dragonflies, and other plants and animals from this era have been found in these pits. Scientists at the tar pits discovered that many of the smaller animals they extracted from the pits still exist around Los Angeles today. But many of the larger mammals—such as woolly mammoths and saber-toothed tigers—are now extinct. Why do you think this is the case? What can scientists learn about Los Angeles' climate history by studying the specimens found in these tar pits?
Answer:
Scientists learn how climatic changes during the ice age affected life in this region by analyzing specimens found in these tar pits
Explanation:
La Brea Tar Pits are a group of tar pits in Los Angeles. Many preserved remains of ancient organisms (i.e., fossils) were extracted from the tar, including, among others, Western horses, prehistoric camels, three-toed tapirs, rodent bones, insects, mollusks, wood, plants, etc. The oldest fossils have been dated to be approximately 38,000 years ago by radiometric techniques. Moreover, the Last Glacial Period was the most recent glacial period within the Quaternary glaciation, which encompassed the period between 115,000 to 10,000 years ago. This period (LGP) encompassed the Last Glacial Maximum (LGM), which occurred about 20,000 years ago. In consequence, many of the fossils found in La Brea Tar Pits evidence how the ice age affected life in this region. Moreover, many of the fossil species extracted from the tar are still present today, thereby indicating how these species adapted to fluctuating climatic conditions, whereas certain species couldn't adapt fast enough as the environment changed and therefore they went extinct.
Answer:
Scientists at the tar pits discovered that many of the smaller animals they extracted from the pits still exist around Los Angeles today. But many of the larger mammals—such as woolly mammoths and saber-toothed tigers—are now extinct. I believe this is the case because since bigger beasts couldn't take shelter in small protected burrows, perhaps they were done in by fierce environmental conditions. Or maybe with so many plants dying off, big herbivores simply had nothing to eat, and as they died out, so did the big carnivores. By studying the spicemens found in these tar pits scientists can learn about Los Angeles climate change. For instance, new scientific studies at the La Brea Tar Pits are probing the link between climate warming and the evolution of Ice Age predators, attempting to predict how animals will respond to climate change today.
Explanation:
