Which questions most closely related to the field biology

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.

What in scientific term why the salty popcorn causes this thirst

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.