Explanation:
they are likely to be lost.
An ecological niche is an organism's specific habitat in an ecosystem.
It is where it lives and feeds, etc.
The new trait appears in a group of previously isolated people is an
example of genetic drift.
<h3>What is Genetic drift?</h3>
This is defined as the random fluctuations in the frequencies of alleles
from generation to generation due to occurring events which makes the
trait to be present or disappear.
The new trait appearing as a result of events such as migration helps to
infer that it is genetic drift.
Read more about Genetic drift here brainly.com/question/1027688
The right option is b. growth of
the breasts at puberty
Estrogen is a sex hormone and it is one of the most important hormones for women, together with progesterone. During
puberty, estrogen hormones are released in line with each monthly menstrual
cycle by the ovaries and it helps in the development and maintenance of
female characteristics in the human body such as breasts, pubic and armpit hair. Estrogen also regulate the menstrual cycle and reproductive system of women.
Answer:
all of the above is correct.
