Question

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

Answer 1

14. the maintenance of an organism’s internal environment within certain limits

15.populations, communities, and ecosystems

Answer 2

14. A.
Homeostasis is the process by which an organism maintain constancy in its internal environment. Homeostasis is very important because if it not maintained the necessary biochemical processes that ought to take place in the body will be disrupted and this can lead to fatal consequences.
15. The correct option is: POPULATION, COMMUNITY AND ECOSYSTEM.
An organism is a part of a specific population, many populations of different species form a community and different communities of living organisms form the ecosystem.