17 Bio Review--Ecology Question Preview (ID: 40176)


Semester Exam Review. TEACHERS: click here for quick copy question ID numbers.

A type of ecological succession that occurs in an area where topsoil already exists and organisms have lived before.
a) Primary succession
b) Secondary succession
c) Tertiary succession
d) Quartenary succession

producers, primary consumers, secondary consumers, etc.
a) trophic levels
b) symbiotic relationships
c) levels of organization
d) taxonomic levels

The total mass of all the organisms on a trophic level of an ecological pyramid – the greatest biomass is in the producers at the bottom.
a) atomic mass
b) carrying capacity
c) trophic level
d) biomass

An organism that makes its own food--usually plants
a) producer
b) primary consumer
c) secondary consumer
d) decomposer

A difference among organisms of the same species in a population, like size or coloring
a) speciation
b) mutualism
c) variation
d) competition

An organism in the first trophic level that consumes the producers
a) primary consumer
b) secondary consumer
c) tertiary consumer
d) quartenary consumer

The group of organisms that exists in an area when ecological succession has reached a stable balance.
a) Biomass
b) Carrying capacity
c) Climax community
d) Producers

An interaction among organisms in which both organisms benefit.
a) Competition
b) Parasitism
c) Commensalism
d) Mutualism

The ability of an ecosystem to survive and maintain a balance among the organisms. Can be disrupted by events like wildfires, droughts, and floods.
a) Carrying capacity
b) Ecosystem stability
c) Ecological succession
d) Adaptation

A type of ecological succession that occurs when organisms develop in an area that has never been inhabited
a) Primary succession
b) Secondary succession
c) Tertiary succession
d) Quartenary succession

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