Answer:
Genetic diversity may better adapt a population to inevitable changes in the environment.
Women often have complications during labor while giving birth to very large babies, whereas very small babies tend to be underdeveloped. This situation results in which kind of selection on birth weight?
Answer:
Stabilizing Selection
Explanation:
In this case, an average individual in a population is favored. There is no adaptive change or evolution, and the population looks more similar over time. Extreme phenotypes become less common.
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What does exocytosis use to move things across the cell membrane?.
the number of devices allowed by the number of devices allowed by the number of devices allowed by the number of devices allowed the rational numbers and email it to the rational numbers and email it to the number line whose absolute value of the number of devices allowed by the number of devices allowed the number of devices allowed to do this but the fact of devices allowed by the number of devices using a Samsung and LG en Samsung Mobil no comments yet the number of devices allowed by the
When factors are in range which an organism cannot survive which zone is represented 
Answer:
When factors are in a range in which an organism cannot survive which zone is represented 
Zones of intolerance – Outermost regions in which organisms cannot survive (represents extremes of the limiting factor)
Explanation:
An actin gene in humans is
92% identical to the homologous
actin gene in mice. An actin gene
in humans is 80% identical to the
homologous gene in yeast. What
does this say about how long ago
these organisms had a common
ancestor?
An actin gene in humans is 92 identical to the homologous actin gene in mice. An actin gene in human is 80% identical to the homologous gene.
What sequencing shows the genetic homologies between organisms?Orthologous sequences provide useful data in taxonomic classification and phylogenetic analyses of organisms.
The sequence of genetic difference can be used to draft the relatedness of organisms. Two organisms that are very near related are likely to show very similar DNA sequences between two orthologs.
Thus, An actin gene in human is 80% identical to the homologous gene.
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sarah and maria made a telephone using two cans and a string
Answer:
what and the question is
1. Use the graph to answer the question; If this graph represent municipal solid waste today, how might this chart have looked different before the 1970's? Why?
Answer:
everything that is not not made into anything yet wi be bigger
Explanation:
state two differences between the light stage and the dark stage of photosynthesis
Answer:
Dark reaction takes place with the presence or absence of sunlight. Light reaction is considered as the light dependent reaction. Light reaction is also called as photo-chemical phase
Explanation:
brain leist bhe ty:)
what is the function of DNA
Answer:
Well, there's a couple of functions...
To form proteins and RNA.
To exchange the genetic material of parental chromosomes during meiotic cell division.
To facilitate occurring mutations and even mutational change in a single nucleotide pair, called point mutation.
Explanation:
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Where did the asteroid that killed the dinosaurs land.
Answer:
off the coast of Mexico
Explanation:
I need to know what most likely will affect this ecosystem if the vegetation population decreases drastically
Answer:
well a lot of anmials would die from lack of food and that would affect the poeple to since we eat animals
Explanation:
We need plants just like them
i need help because it is due to tomorrow
Answer:
The chromosome is on the right and the left is a double helix
Explanation:
Red hair may have evolved in Neanderthals and then was introduced into human populations via interbreeding. If this is true, this would be an example of
A. gene flow.
B. genetic drift.
C. the founder effect.
D. natural selection.
E. gene pooling.
Emotional reactions can also be attributed to allergies.
True or False
Which ion channel is responsible for the rising phase.
Answer:
gated sodium channels
Explanation:
These channels are activated when the cells membrane potential reaches threshold and open immediately.
what kind of science fair projects can I do that has two variables.
I will give brainliest to the best answer.
Answer:
Ethylene gas or pill bugs
Explanation:
The ethylene gas experiment is basically finding out if the plant hormone, ethylene, keeps leaves on the stem healthier. have a bag with a apple and a tree steam with any number of leaves on it then have the control with a tree stem that has the same number of leaves but no apple.
The Pill bug (rollie-pollies) experiment is try to determine whether or not pill bugs prefer a dry or damp environments.
Which functional groups are common to all amino acids?.
List three examples of vestigial structures in humans.
Humans are capabale of living with out The Appendix, Wisdom teeth, or a tailbone.
Chest and shoulder muscles that move the arm at the shoulder joint have insertions on the.
Answer:
Humerus
Explanation:
Which option is the portion of the vertebrate skeleton that includes the skull, vertebrae, and ribs?.
Answer:
the axial skeleton
Explanation:
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Both parents are dominant tall, naklne the 4 possible offspring
Answer: Both parents are mixed hybrids, name the 4 possible offspring and the expected ratio.
Explanation:
- How would you classify the relationship between coral and the small crabs?
Answer:
Explanation:
How would you classify the relationship between coral and the small crabs? Their relationship is mutualistic, as the crabs provide protection for the coral reef and the reef provides the crabs a home.
Question: How would you classify the relationship between coral and the small crabs?
Answer: Hello: ) ✨ Their relationship is mutualistic, as the crabs provide protection for the coral reef and the reef provides the crabs a home.The corals and algae have a mutualistic relationship. The coral provides the algae with a protected environment and compounds they need for photosynthesis.
Explanation:
How does the human immune system initially respond to a pathogen?
Antibiotics are released by B cells to destroy the pathogen.
B cells release vaccines to destroy the incoming pathogen.
Lymphocytes recognize pathogens as antigens in the body.
T cells build immunity to the pathogen by releasing antibodies.
Answer:The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies. Antibodies attach to an antigen and attract cells that will engulf and destroy the pathogen.
Explanation:
Antibiotics are released by B cells to destroy the pathogen. The correct option is A.
What are antibodies?Proteins called antibodies defend you when your body comes into contact with an unwelcome chemical.
Antibodies, which are made by your immune system, bind to these foreign chemicals and drive them out of your body. Immunoglobulin is another name for an antibody.
Proteins called antibodies are created by the immune system in response to infection.
They play a crucial role in the body's defense mechanism because they work to eliminate pathogenic organisms and prevent them from invading human cells.
In response to antigens, the immune system either produces cells that go after the pathogen directly or produces specialized proteins known as antibodies.
Antibodies draw cells that will engulf and eliminate the infection by binding to an antigen. B cells and T cells, two types of lymphocytes, are the immune system's primary cells.
Thus, the correct option is A.
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The ability for people to roll their tongue is dominant to people who cannot. If a tongue roller and a non-tongue roller were crossed, the highest percentage of potential non-tongue roller offspring would be which of the following?
Answer:
50%
Explanation:
Tounge rolling is a dominate trait, so that means it would have to have at least 1 captial letter in it't genotype (assuming captial letters refer to the dominate trait). But, because the demonate trait covers any non-dominate traits, you can have a lower case letter in the genotype while still having someone be a tounge roller (assuming lower case letters are non-dominate traits)
Because non-tounge rollers are non-dominate, they must have two lower case letters in their genotype.
This leaves you with the two genotypes of :
AA or Aa (tounge rollers)
aa (non-tounge rollers)
When crossing AA with aa in a punette, every outcome is Aa. This leaves you with no potentional non-tounge rollers. But, you can still cross Aa with aa, because as said before Aa has a dominate gene, so it would result in someone with the tounge rolling ability.
When crossing Aa and aa in a punnet sqaure, you can get outcomes. Aa or aa. 2 of teh 4 options are Aa, and 2 of teh four options are aa. This means half, or 50% of the offspring are predicted to be non-tounge rollers, showing the high ercentage must be 50%.
A suggested and testable explanation for an event is called a ________.
Answer:
Hypothesis.
Explanation:
A hypothesis is a testable explanation for an event. For example, if you see a certain type of bird at your bird feeder, but never your neighbor's, you could come up with the hypothesis that that specific species of bird likes something that is present in your own birdseed, but not your neighbor's. This is easily testable by switching out different birdseeds and seeing which ones attract the birds, and serves to explain why the birds only appear at your bird feeder.
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What is biological?
Answer:
1. connected by direct genetic relationship rather than by adoption or marriage
2. of or relating to biology or life and living processes
3. used in or produced by applied biology
Explanation:
Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary information encoded in genes, which can be transmitted to future generations. Another major theme is evolution, which explains the unity and diversity of life.
Answer:
of or relating to biology or to life and living processes
All of the following are considered abnormal findings in a dipstick urinalysis except __________________
a. urea. b. red blood cells. c. glucose d. proteins
In a dipstick urinalysis, red blood cells, glucose, and proteins all indicate abnormality but urea does not.
Abnormality urineThe components of normal urines include urea, chlorine, creatinine, and nutrients such as potassium, sodium, and other dissolved ions.
Proteins can also be present at a very minute level. However, the presence of red blood cells, glucose, and too much proteins is usually an indication of abnormality with an underlining health problem.
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What two stages of replication do both cycles have in common describe the virion action at each of these stages
Answer:
The stages of replication are Attachment, Penetration and Replication. The following information should be considered:
Explanation:
A bacteriophage means the virus that attacks bacterial cells. The lytic and lysogenic cycles comrpise of two methods of viral replication. In the lytic cycle, the virions generated are released from the host cell while on the other hand in the lysogenic cycle, viral nucleic material are existed into host nucleic material and also they are copied to daughter cells at the time when the host cell reproduces. The common steps in both cycles are given below:Attachment – in this step, the bacteriophage attaches itself to the host surface cell to insert its DNA into the host cell. Penetration – the virus inserts its DNA into the host cell via penetrating the cell membrane of the host cell.Replication – the viral nucleic material is replicated using the host cell's replication mechanism.
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Where does myosin get the energy to perform a contraction?.
Answer:
Energy Supply for Muscle Contraction. Energy for the release and movement of the myosin head along the actin filament comes from adenosine triphosphate (ATP). Recall from the sliding filament theory that the actin and myosin chains slide past one another. The binding of ATP allows the myosin heads to detach from actin
Explanation:
Which Frog did Mosa pick and why?
Based on the video, Mosa picked Frog 3 because it's a father frog which has all the traits that the children possess but the mother frog didn't have.
What is genetic variation?Genetic variation can be defined as a terminology which is used to describe the difference in the deoxyribonucleic acid (DNA) sequence in each of the genomes of a living organism.
Just like every other living organisms that reproduce through se-xual reproduction, frogs get a single allele from each parent. Based on the video, it should be noted that Mosa picked Frog 3 because it's a father frog with all the traits that the children possess but the mother frog didn't have.
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Which statement describes natural selection?
It is the primary mechanism for evolution.
It must act on structural traits.
It acts to cause overpopulation.
It causes learned skills to become heritable traits.
Answer:
It is the primary mechanism for evolution.
Explanation: