14. which of the following best defines homeostasis? (points : 3)
the maintenance of an organism’s internal environment within certain limits
the maintenance of an organism's external environment within broad limits
the ability of an organism to find its own food
the ability of an organism to find a mate

15. biological organization extends beyond the organism to include which of the following? (points : 3)
cells, tissues, and organs
dna, rna, and protein
populations, communities, and ecosystems
family, genus, and species