The endocrine gland most closely associated with the hypothalamus is the pituitary gland thyroid gland pineal gland thymus

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.

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the