Regents Ecology

Front

What is the sequence of increasing complexity of levels of ecological organization?

Back

population, community, ecosystem, biosphere

Front

What is a Food Chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What are limiting factors in an ecosystem?

Back

Factors such as energy, water, and oxygen that can restrict the growth, abundance, or distribution of organisms.

Front

What is competition in ecology?

Back

The struggle between organisms for the same resources in an ecosystem.

Front

Where does energy for an ecosystem originally come from?

Back

Sunlight.

Front

Define biosphere.

Back

The global sum of all ecosystems; the zone of life on Earth.

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.

Front

What is a community in ecological terms?

Back

A group of different species that live together in one area.

Front

What are abiotic factors?

Back

Non-living chemical and physical parts of the environment that affect living organisms.

Front

What is ecological succession?

Back

The process of change in the species structure of an ecological community over time.