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  1. 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


  1. 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

Verified Answer :

Erudite1
  1. 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.
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14. the maintenance of an organism’s internal environment within certain limits

15.populations, communities, and ecosystems

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