Exam 8: Community Ecology

Give one example of a characteristic which helps a prey avoid being eaten by predators.

Which characteristic do immature ecosystems have? 

Which species category do both birds and trout belong to? 

Which statement describes a cockroach's niche? 

Which relationship is an example of a positive feedback loop? 

A(n)______________________________ is a species whose existence contributes to diversity of life.

Which statement describes resource partitioning? 

STAGE -Which letter in the diagram corresponds to a mature forest of hardwoods?

Latitude affects species diversity in communities.

Which of the following would exhibit primary succession? 

Great white sharks are streamlined predators at or near the top of ocean food chains.

___________________________________ is competitive interaction between species for food and/or space.

An area in primary ecological succession would be a suitable habitat for a population of hardwoods because of the availability of resources.

What would a scientist predict to occur on large islands located near the mainland,based on the theory of island biogeography? 

Which statement is indicative of a true parasite? 

What encourages soil formation in primary succession? 

Which term reflects the obvious relationship demonstrated by a food chain? 

Sharks are very vulnerable because they produce few young and take a long time to reach sexual maturity.

Which method would a prey species avoid using in self-defence? 

Which of the following communities can survive,and actually be aided,by the frequent occurrence of fires?