The living and nonliving things in an area that interact with one
another and with their environment are a community.
a. true
b. false
17
Predation is a relationship in which one organism lives on, near,
or inside another organism.
a. true
b. false
18
Herbivores return matter to the environment from the bodies of dead
plants and animals.
a. true
b. false
19
Organisms that eat only plants are called omnivores.
a. true
b. false
20
The base of an energy pyramid consists only of autotrophs.
a. true
b. false