Ecosystems

The video tutorial explains ecosystems, which include all living and non-living things in a specific area. Ecosystems can vary in size, from small ponds to large areas like the Yellowstone ecosystem. Non-living components such as rocks, water, sunlight, and wind are part of ecosystems, as well as living components like grasses and bison. The video emphasizes the continuous interaction between living and non-living components, such as breathing air, drinking water, and consuming other living things.

What is an ecosystem composed of?

• Only living things

• Only non-living things

• Both living and non-living things

• Only water and sunlight

Which of the following is an example of a non-living component in an ecosystem?

• Bison

• Grasses

• Fish

• Rocks

Which of these is NOT a non-living component of an ecosystem?

• Sunlight

• Wind

• Water

• Bison

What are some examples of living things in an ecosystem?

• Air and soil

• Rocks and water

• Grasses and bison

• Sunlight and wind

How do living things interact with non-living components in an ecosystem?

• They breathe air, drink water, and eat other living things

• They only use them for shelter

• They ignore them

• They only use them for food