1. A relationship in which one species benefits while the other receives neither benefit nor harm. a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasites
g. predation
h. food web
i. food chain
j. ecological relationship

2. One species benefits and individuals of the other species are harmed.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasites
g. predation
h. food web
i. food chain
j. ecological relationship

3. Parasite that live inside the host body.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasites
g. predation
h. food web
i. food chain
j. ecological relationship

4. Parasite that live outside the host body.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasites
g. predation
h. food web
i. food chain
j. ecological relationship

5. The pursuit, capture, and killing animals for food.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasites
g. predation
h. food web
i. food chain
j. ecological relationship

6. A simple model used to show how matter and energy move through an ecosystem.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasite
g. predation
h. food web
i. food chain
j. ecological information

7. Two organisms compete for same resources.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasites
g. predation
h. food web
i. food chain
j. ecological relationship

8. The interaction among organisms in a ecosystem.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasites
g. predation
h. food web
i. food chain
j. ecological relationship

9. Interaction between organisms where both species benefit from the relationship.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. ectoparasites
g. predation
h. food web
i. food chain
j. ecological relationship

10. Model that shows all the possible feeding relationships at each trophic level in a community.
a. competition
b. commensalism
c. parasitism
d. mutualism
e. endoparasites
f. endoparasites
g. predation
h. food web
i. food chain
j. ecological relationship