This plant part is made of tiny tubes for carrying water, minerals and food

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Look at the photo of the leaf. which term best describes this leaf?

Which example would the nurse consider to be a part of systems thinking theory?