Absolute time is the answer
Answer:
They inherit it from their parents or it is due to them living in a different environment.
Explanation:
Answer:
The slower zebras get eaten before they have a chance to reproduce. Only the fastest zebras live long enough to pass on their traits to offspring. These offspring have the traits that enabled their parents to run faster
Explanation:
If the question is asking whether it is true or false, the answer is true. It is because not all women who have menstruation has the exact time when it comes to predicting or determine ovulation as there are factors considered and interrupts with these process that made it complicated and hard to determine.