Biology Unit 5 Review

Front

What is an ecosystem?

Back

An ecosystem is a community and its surrounding nonliving environment.

Front

Which graph represents a population that grew exponentially until its carrying capacity was met?

Back

Graph C.

Front

What is the largest reservoir of nitrogen on earth?

Back

Atmosphere.

Front

Which biome covers the largest area of earth?

Back

Marine.

Front

What reproductive strategy does an organism that reproduces slowly and has only one offspring use?

Back

K-strategy.

Front

Define carrying capacity.

Back

Carrying capacity is the maximum number of individuals of a species that an environment can support sustainably.

Front

What is the difference between K-strategy and R-strategy in reproduction?

Back

K-strategy involves slow reproduction with few offspring, while R-strategy involves rapid reproduction with many offspring.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

What is a biome?

Back

A biome is a large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.