Answer:
Natural selection leads to adaptation, that is, to a population dominated by organisms that are anatomically, behaviorally, and physiologically well suited to survive and reproduce in a specific environment. ... Species become extinct because they can no longer survive and reproduce in their altered environment.
Explanation:
Answer:
carbon, hydrogen, nitrogen and oxygen
Explanation:
mostly, combination of carboxylic and amine groups
Answer:
the microbe Rickettsia prowazekii.
Explanation:
