Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in heritable traits of a population over time. The term "natural selection" was popularised by Charles Darwin who compared it with artificial selection, now more commonly referred to as selective breeding.
The Answer Would Either be C or D
Answer:
Brain structures called the hypothalamus and pituitary gland control the menstrual cycle.
Explanation:
Answer: ok
Explanation: bec im bored
I’m sorry I’m not smart I don’t know I just need answers for my questions
