Download 22-3 “Interactions Among Living Things”

22-3 “Interactions Among Living Things”
Study Guide
1.
A close relationship between two species that benefits at
least one of the species is known as symbiosis.
2.
A flea is a parasite that lives on a host such as a dog.
3.
Ticks feed on the blood of mice in a symbiotic relationship
called parasitism.
4.
When a jellyfish paralyzes a tiny fish with its poisonous
tentacles, the fish is the prey.
5.
The Escherichia coli that live in your intestine and help
break down food is an example of mutualism.
6.
A hawk building its nest on an arm of the saguaro cactus is
an example of commensalism.
7.
A shark’s powerful jaws, is an example of a predator
adaptation.
8.
Predation describes an interaction in which one organism
kills and eats another.
9.
Mutualism, commensalism, and parasitism are the three
types of symbiotic relationships.
10.
By hunting at different times of day, the hawk and owl are
able to reduce competition.