What process allows you to smell perfume at a distance from the source? osmosis selective permeability diffusion homeostasis

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

Which sentence best expresses the differing opinions of these two book reviews?

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.