Chapter 5-Lesson 1 & 2

An _________ includes all living and non-living things in an environment.

• population

• niche

• abitotic

• ecosystem

If the number of small animals ____________, the animal that survives by eating the smaller animals will have less food.

• Stays the same

• Drops to low

• Increases to high

• None of the above

A ___________ is a group of organisms of one species that live in one area at the same time.

• Habitat

• Community

• Ecosystem

• Population

A single bio me may be made up of areas around the world that have the same ____________.

• Precipitation and Habitat

• Population and Climate

• Climate and Organisms

• None of the above

_____________ have more species than all of the other biomes

• Taiga

• Tundra

• Tropical Rain forest

• Grasslands

Organisms have __________ that help them survive in their ecosystems.

• Structure

• Sunlight

• Water

• Help

The largest deserts are found in Northern ______ and Southwest ________

• India and Canada

• Australia and USA

• Africa and Asia

• China and Russia

All of the relationships among the organisms keep the _______ balanced.

• Habitat

• Climate

• Ecosystem

• Rain forest

All Taiga biomes are in the ___________ Hemispheres.

• Southern

• Western

• Eastern

• Northern

A desert can also be covered by a very flat layer of what?

• Salt

• Pebbles

• Grass

• Dried Mud