Only the successful competitors will reproduce, mortality<span> is very high. Four (4) conditions for natural selection. Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.</span>
The olfactory epithelium is a specialized epithelial tissue inside the nasal cavity that is involved in smell. In humans, it lies on the roof of the nasal cavity about 7 cm above and behind the nostrils.
The advertisers treat teenagers as separate target audiences by having to advertise products that would attract the teenagers alone as the teenagers are not particularly attracted to things that they may target the adult audiences, that is why, they laid out products that would target the teenagers in means of separating the target audiences.
A lot of water is present unlike a desert. additionally, there is a lot of food growing as well.
Answer:
The correct answer is A.
Explanation:
A mutagen changes the level of mutations that occur in the DNA either by affecting it physically or chemically. This helps researchers create different organisms with altered phenotypes according to what the research needs so that the genes can be investigated further under a controlled environment.
So the answer is A.
I hope this helps.
