True or False Specialized carbohydrates in organisms that speed up chemical reactions are called
enzymes.
O True
O False

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.

Cells destroy body cells infected by a virus or bacteria.

Which of th following is needed for cellular respiration to occur