Test Review

Front

Why is understanding extinction important?

Back

It affects biodiversity and the balance of ecosystems.

Front

What is the definition of a 'population' in ecology?

Back

A group of the same species in a given area.

Front

What role do producers play in a food chain?

Back

They convert sunlight into energy through photosynthesis.

Front

Why might non-native species become invasive in a new ecosystem?

Back

They often have no natural predators and can outcompete native species.

Front

What is the main difference between a community and a population in ecology?

Back

A community includes multiple populations of different species, while a population is a group of the same species.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

A community of living organisms and their physical environment interacting as a system.

Front

What is the significance of keystone species?

Back

They have a disproportionately large effect on their environment relative to their abundance.

Front

What is the process of photosynthesis?

Back

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is an invasive species?

Back

A non-native species that spreads widely in a new habitat and causes harm to the environment, economy, or human health.