Answer:
Natural selection occurs when some of those traits help some individuals survive and reproduce more than others. That causes their genes to become more common in the population over time, and it's the way species evolve to adapt to changes in their environment.
Explanation:
hope this helps =)
The answer is pheromones. Hope that helps :)
Answer:
The correct answer is A...........
Muscles can only produce a force as they relax
