Marine Bio. A Unit 2 Exam Review

Where and when an organisms feeds is a behavioral factor that helps define its niche.

• True

• False

If one species is lost from a food web the community will probably collapse.

• True

• False

Producers can be photosynthetic or chemosynthetic.

• True

• False

Organisms living here must have adaptations to tolerate being exposed to the atmosphere.

• Photic Zone

• Neritic Zone

• Hadal Zone

• Intertidal Zone

• Oceanic Zone

Ecology is ...

• part of a life cycle

• a place where organisms live

• study of the interaction of organisms and their environment

• d. what happens when a predator consumes a prey item

An example of an abiotic factor influencing marine organisms is ...

• salinity

• predation

• parasitism

• competition

A species whose removal from the food web would cause major disruption is termed a ..

• keystone species

• primary producer

• carnivore

• trophic kingdom

__________________is when one organism successfully outcompetes another and excludes it from a particular area or niche.

• Resource partitioning

• Competitive exclusion

• Predation

• Parasitism

The niche of an organism is best described as ...

• It's role in the community

• how it meets its needs for food and shelter

• how it survives, and how it reproduces

• The number of organisms in a community

When a population reaches equilibrium it is at its ...

• exponential growth rate

• carrying capacity

• niche