At what phase of meiosis do tetrads form

Which organelles are involved in energy conversion

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.

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.