Environmental Science Flashcard

Front

What is a primary consumer in a food chain?

Back

A primary consumer is an organism that eats producers (like plants) in a food chain. In the food chain Algae > Krill > Whales, Krill is the primary consumer.

Front

What is ozone made of?

Back

Ozone is made of three oxygen molecules (O3).

Front

What percentage of Earth's land do rainforests cover?

Back

Rainforests cover less than 10% of Earth's land.

Front

What percentage of Earth's plant and animal species are found in rainforests?

Back

Rainforests are home to about 50% of Earth's plant and animal species.

Front

What is ecology?

Back

Ecology is the study of the relationship between living organisms and their physical environment.

Front

Is the North Pole colder than the South Pole?

Back

False, the South Pole is generally colder than the North Pole.

Front

What is a food chain?

Back

A food chain is a sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What are producers in an ecosystem?

Back

Producers are organisms that make their own food, usually through photosynthesis, like plants.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organisms and waste, returning nutrients to the soil.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.