Carefully examine the food web in the figure below. grizzly food web a drought has caused the producer populations to significantly decrease. which statement best describes an immediate effect caused by the decrease of producers?

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.

Number and variety of living organisms includes genetic, species, and ecological types

What is the period of cell life when it is conducting