Explain how natural selection has occurred in this population. Are the two owl populations part of the same species or different ones? How can you tell?

What is the most appropriate method of gaining weight (muscle mass)

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled

Are gametes exactly the same? explain why or why not?