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Tasya [4]
3 years ago
15

What is natural selection? ​

Biology
1 answer:
lora16 [44]3 years ago
5 0
A theory that states that only the organism with traits that are useful to the environment survive. For example, short-neck giraffes would’ve died out years ago as they can’t reach the trees nor eat grass on the ground.
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A female rhesus monkey is exposed to testosterone in utero. As a result, the animal displays some defeminized behaviors as an ad
professor190 [17]

Answer:

organizational effect.

Explanation:

Organizational effect is a long-term effect of hormonal action typically occurring in fetal development or the early postnatal period that leads to permanent changes in behavior and neural functioning. For example, the presence of testosterone in young male rats leads to long-term male-typical behavior, and female rats can be masculinized by neonatal exposure to testosterone.

Organizational effects act during development, often during critical period. Such hormones affect the construction or fine-tuning of sex organs or neural circuits underlying behavioral capacities that will be needed in adulthood.

Organizational effects are often under tight genetic control, and not subject to major influence by environment.

Organizational effects are often irreversible.

8 0
3 years ago
The final stage of the cell cycle is
Hatshy [7]

Answer:

Cytokinesis

Explanation:

4 0
3 years ago
CAN SOMEONE PLEASEEEE HELP ME WITH THIS SCIENCE QUESTION THANK YOU !!!!​
DerKrebs [107]

Answer:

B. Non living components of an ecosystem

6 0
3 years ago
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Can someone please help me with this ap biology problem! I would really appreciate it:)
strojnjashka [21]

Answer:

D - the production of a specific mRNA will increase as a result of the binding of the hormone receptor complex to the DNA

Explanation:

We are told that the hormone binds a receptor and then enters the cell, binding to the DNA and promoting transcription of a specific gene.

Transcription is the process whereby mRNA molecules are synthesised from a DNA sequence, which are then translated into specific process. D is correct, as the gene the hormone binds to will increase in transcription, producing a specific mRNA.

A, B and C are much more general processes, not linked to the actions of a hormone on a specific gene.

3 0
3 years ago
True or False?<br> Dominant alleles will always increase in frequency. Explain your answer.
IRISSAK [1]

Answer:

True

Explanation:

The dominant allele increases in frequency as it masks recessive alleles.That is why a dominant trait/allele will become something is more commonly passed down to offspring

6 0
2 years ago
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