Some freshwater animals have adapted flame cells, watery urine production, and salt pumps to prevent Question 17 options:

homeostasis.

ammonia removal.

oxygen exchange.

excess water from entering their bodies.

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.

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids

Can sexual intercourse affect your body in any way that you are harmed?