Ecologists gather a lot of evidence from ecosystems. One useful piece of evidence is what each population eats. How do you think knowing “what eats what” helps ecologists to explain changes in population size?

John locke would have agreed with all of the following statemens except

Choose all that apply. what two things did the wealthy merchants of ancient egypt want?

Which of the following statements is true about water access in the middle east? a. access to coastal waters is not important to people. b. most countries depend on outside resources for water. c. water is available in large supplies in all countries. d. all countries have sources of renewable freshwater.