Marine Ecology Assessment

1.________________ includes the nonliving factors in the environment.

• Biotic
• Abiotic
• Competition
• Parasitism

2.______________________________ occurs when one species benefits and the other is unaffected.

• Commensalism
• Parasitism
• Mutualism
• Competition

3. ______________ occurs when both species benefit.

• Competition
• Parasitism
• Mutualism
• Commensalsm

4. When one species benefits and the other is harmed. ____________________.

• Competition
• Parasitism
• Mutualism
• Commensalism

5. ________________ occurs when species need to compete for resources such as food, shelter or a mate.

• Mutualism
• Parasitism
• Commensalism
• Competition

6. Living factors are ________________.

• Niche
• Biotic
• Abitoic
• Detritus

7. How do intraspecific and interspecific competition differ?

• Interspecific competition occurs when members of the same species compete. Intraspecific competition occurs when members of different species compete.
• Intraspecific competition occurs when members of the same species compete. Interspecific competition occurs when members of different species compete.

8. What is a limiting resource?

• Resources that are in short supply which, in turn, can decrease the rate of growth for a population.
• The largest size of a population that can be sustained with the given number of resources.
• The total amount of organic energy created by primary producers.
• The total amount of renewable organic matter produced by the organisms at each trophic level.

9. What is the difference between nekton and benthos marine lifestyles?

• Nekton are free floating and cannot swim against the current. Benthos live on the ocean floor.
• Benthos can swim against the current. Nekton live on the ocean floor.
• Nekton can swim against the current. Benthos live on the ocean floor.
• Nekton live on the ocean floor. Benthos float with the current.

10. Which scientist originally explained the process of natural selection?

• Sylvia Earle
• Charles Darwin
• Eugenie Clark
• Gregor Mendel