Bill Nye - Biodiversity & Ecosystems

Front

What percentage of the Earth is covered by water?

Back

71%

Front

What is the largest ecosystem in the world?

Back

The marine system (the sea)

Front

What are the living things in an ecosystem said to do?

Back

They depend on each other.

Front

Why are farms not considered ecosystems?

Back

Because the living things all depend on the farmer.

Front

Where do most living things on Earth live?

Back

In water.

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 role do producers play in an ecosystem?

Back

They create energy through photosynthesis.

Front

What is a food chain?

Back

A sequence that shows how energy and nutrients flow from one organism to another.

Front

What is the difference between a habitat and a niche?

Back

A habitat is where an organism lives, while a niche is how it interacts with the environment.