Can evolution affect already living creatures?

How can the evolution of one species affect the evolution of another? ... What does it mean when some scientists say humans have stopped evolving? ... read more

Evolution doesn’t affect living creatures, and it doesn’t happen at birth, it affects species. ALL offspring are the same species as their parents. (If you understood what the word “evolution” meant, you wouldn’t have asked the second question at all. read more

Evolution does not stop once a species becomes a species. Every population of living organisms is undergoing some sort of evolution, though the degree and speed of the process varies greatly from one group to another. read more