We protect ecosystems!

Select the description of "rivers".

• They are bodies of flowing water.

• They are natural or man-made small fresh water.

• They are the biggest aquatic ecosystems with salt water.

• They are large bodies of still water.

It is used for drinking and growing crops

• Fresh water

• Salt water

Sunlight, temperature and the amount of water are factors that affect...

• aquatic ecosystem

• terrestrial ecosystem

Saltwater ecosystem are classified by:

• freshwater and still water

• coasts and open sea

• flowing water and still water

• oceans

Temperature, humidity, relief and... are factors that affect terrestrial ecosystems.

Temperature is highest at the North Pole

• True

• False

Humidity depends on the amount of rain in an area

• True

• False

It is the variety of living things on Earth.

Aquatic ecosystems are affected by temperature, sunlight and...

• Humidity

• Relief

• The amount of salt.

• Soil.

Terrestrial ecosystems are affected by temperature, relief, soil and...

• Sunlight

• Humidity

• The amount of salt.