Science Quick Check. 1 Right Answer Per Question.

Question

1. In a food chain, with each feeding relationship, the energy transferred from one organism to another will
a. decrease.
b. remain constant.
c. be independent of the level.
d. increase.

2. Most food chains normally consist of no more than
a. three to five organisms.
b. two to three organisms.
c. zero to one organism.
d. eight to nine organisms.

3. The black bear is common to North America. Black bears eat many foods, mainly grass, roots, berries, and insects. However, fish and mammals—including those already dead—are also part of their diet. Some tend to wander near campsites and can develop a taste for human food and garbage. Given this information, which term most accurately characterizes black bears?
a. producers
b. decomposers
c. omnivores
d. carnivores

Answer 1

1. a. decrease.

2. a. three to five organisms.

3. c. omnivores