D. A struggle for existence is apparent.
If a struggle for existence is apparent, natural selection occurs because all of the weak/unfit/unadapted ones die.
Answer:
A population is the number of living people that live together in the same place. A city's population is the number of people living in that city. These people are called inhabitants or residents. ... Usually population refers to the number of humans in a certain area.
Explanation:
Hope this help
Answer: true
Explanation:
Only the mRNA made from the DNA takes part in the protein synthesis
