Environmental Science Semester 1 Final

Front

What is a limiting factor in an ecosystem?

Back

A biotic or abiotic factor that restricts the numbers of organisms in an ecosystem.

Front

How does biodiversity contribute to ecosystem resiliency?

Back

By increasing the ecosystem's ability to recover from disturbances.

Front

What happens to a population with a high birth rate and low death rate?

Back

The population is growing exponentially.

Front

What does it mean for two species to occupy the same niche?

Back

They compete for the same resources, which can lead to the decline of one species.

Front

Which habitat typically has the highest biodiversity?

Back

Tropical rainforests are known for having the highest biodiversity.

Front

Define biodiversity.

Back

The variety of life in a particular habitat or ecosystem.

Front

What is primary succession?

Back

The process of ecological change that occurs in an area where no soil exists, such as after a volcanic eruption.

Front

What is secondary succession?

Back

The process of ecological change that occurs in an area where soil exists but has been disturbed, such as after a forest fire.

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.

Front

Explain the concept of an ecological niche.

Back

The role and position a species has in its environment, including all interactions with biotic and abiotic factors.