The answer is B . just think like foot ball players or other characteristics.
Answer:
Animals engage in characteristic behaviors that increase the odds of reproduction. Animals and plants develop characteristic structures and behaviors to help them survive in their environment and pass on genetic information to their offspring. It is important that the offspring be cared for and protected so they can grow to adulthood and reproduce.
Answer:B
Explanation:bc all of the other ones was equal together and the concentration gradient could not spread them
