Immunity gained through immunization and exposure to diseases
Answer:
B. It increases the frequency of alleles that improve a species' survival in a particular environment.
Explanation:
Natural selection encourages the survival and reproduction of individuals who are especially well-adapted to their environment. This means that natural selection causes increases in the frequency of alleles that improve the species' survival in a particular environment. (got it right on study island)
Yes you are correct
batteries are a chemical composition (typically 2 types of metal in an electrolyte)
they drive electricity
motors then turn electricity into mechanical energy
I believe your answer should be A
C. All living organisms likely originated from a common ancestor ( because all living organisms store genetic information through DNA and RNA. These are linked to a shared ancestry and is how organisms evolve using new genes )