The series of steps in which large fish eats a small fish that has eaten algae is a: a-food webb-food chain c-pyramid of numbersd-pyramid of biomass

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?