Ecology - Living Environment Regents Questions

Front

What processes are most directly involved in the cycling of carbon, hydrogen, and oxygen between plants and animals in an ecosystem?

Back

Photosynthesis and respiration are the key processes that cycle carbon, hydrogen, and oxygen between plants and animals.

Front

What is a negative effect of humans using native grasslands or forested areas for farming or urban use?

Back

One negative effect is less biodiversity in the ecosystem.

Front

What is the part of the earth that living organisms inhabit called?

Back

Biosphere.

Front

What is defined as a biological community of interacting organisms and their physical environment?

Back

Ecosystem.

Front

What are the organisms that produce their own food through photosynthesis called?

Back

Producers.

Front

What is the term for the variety of life in a particular habitat or ecosystem?

Back

Biodiversity.

Front

What process do plants use to convert sunlight into chemical energy?

Back

Photosynthesis.

Front

What is the role of decomposers in an ecosystem?

Back

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

Front

What is a food chain?

Back

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

Front

What is the difference between a food chain and a food web?

Back

A food chain is a single pathway of energy flow, while a food web consists of multiple interconnected food chains.