Unit 5: Ecology and Environmental Science Test Review

Front

What are invasive species?

Back

Invasive species are non-native organisms that, when introduced to a new environment, can cause harm to the ecosystem, economy, or human health.

Front

How can invasive species harm a community?

Back

They may have no natural predators and overpopulate an area, compete for resources with native species, and cause an imbalance or disturbance in the community.

Front

What is a population in ecological terms?

Back

A population is defined as the number of individuals of one species living in the same place at one time.

Front

What is an abiotic factor?

Back

Abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.

Front

Give an example of an abiotic factor affecting bird populations above the tree line.

Back

Frequent high winds are an abiotic factor that can limit bird populations above the tree line.

Front

Which animal is listed as endangered?

Back

The Malayan Tiger is an endangered species.

Front

What is the impact of reusing or recycling municipal waste?

Back

Reusing or recycling municipal waste helps in the preservation of raw materials and reduces the need for new resources.

Front

What is the definition of an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is biodiversity?

Back

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

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.