Mid-Term Exam Review

Front

What is overfishing?

Back

Overfishing is the practice of catching fish at a rate faster than they can reproduce, leading to a decline in fish populations and loss of biodiversity in marine ecosystems.

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Why do plants in grassland biomes often grow from underground stems?

Back

Plants in grassland biomes grow from underground stems to survive grazing by herbivores.

Front

What is eutrophication?

Back

Eutrophication is the process where excess nutrients in water bodies lead to algae blooms, which can deplete oxygen and harm aquatic life.

Front

What human activity most directly causes habitat destruction?

Back

Urban development is the human activity that most directly causes habitat destruction.

Front

Which group of organisms is responsible for decomposition?

Back

Decomposers like bacteria and fungi are responsible for decomposition, breaking down dead organic matter.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species.

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What are producers in an ecosystem?

Back

Producers are organisms, like plants, that create their own food through photosynthesis and form the base of the food chain.

Front

What role do primary consumers play in an ecosystem?

Back

Primary consumers are herbivores that eat producers and are the second level in the food chain.

Front

What is habitat destruction?

Back

Habitat destruction is the process in which natural habitat is rendered unable to support the species present, often due to human activities.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers recycle nutrients back into the ecosystem, making them available for producers and maintaining the balance of the ecosystem.