Ecosystems Review 3rd

All of the living and non living things in an area is called a(n) what?

• Population

• Organism

• Family

• Ecosystem

Which is one way humans can affect an ecosystem in a negative way?

• planting trees

• recycling paper

• cutting trees down

• planting a garden

The place where an organism lives that provides it with shelter, food and water.

• house

• population

• community

• habitat

An individual living thing is a/an __________.

• habitat
• ecosystem
• organism
• population

Why do very few plants grow in the desert?

• the soil is dry and it does not rain much there
• there is not enough animals
• there is too much rainfall
• the weather is too hot during the day and too cold at night

The tundra ecosystem is usually....

• Warm and rainy

• Dry and hot

• Cold and snowy

• Dry and rainy

What are the two main types of ecosystems?

• Tundra and Marine

• Aquatic and Terrestrial

• Terrestrial and forest

• Ocean and land

Which is an example of a living factor in a desert?

• Sun

• soil

• snake

• minerals

Click on the correct sentence.

• The lions eats the fox and the fox eats the carrots.

• The lions eat the fox and the rabbit eats the carrots.

• The fox eat the rabbits and the rabbit eats the carrots.

• The lions eat the rabbit and the rabbit eat the carrots.

The process by which plants make their own food is called:

• Photosynthesis

• Respiration

• Carnivore

• Omnivore