It’s A. Random!! I looked it up!
Generation of ATP. Hope it helps.
I believe the answer to this question is a food web.
Food Web definition: "<span>a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community."
Source: </span>http://www.dictionary.com/browse/food-web
<h2>
Animals</h2>
Explanation:
A. Animals have muscle tissue, whereas other living things do not.
The character that contrasts animals with other living organism is the presence of muscle tissue. Muscle tissue is exclusively found in animals and are not found in any other kingdom of the living world.
Animals and many other living things posses multiple cells. Most of the cells in organisms are with nucleus.Most of the multicellular organisms have tissue level organization of the body.
Sweat glands is the major function in thermoregulation.