The Biosphere

When did life first appear on Earth?

• 100,000 years ago

• 3.5 million years ago

• 1 billion years ago

• 4.5 billion years ago

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following is NOT a biome?

• forest

• mountain

• reef

• tundra

What is a biome?

• an area without life

• a region of the biosphere

• all of the organisms on Earth

• the border between two states

What causes patterns in the biosphere?

• air and ocean currents

• the migrations of animals

• the movement of the Earth's crust

• human activity and pollution

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS3-4

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Why are the poles cold?

• There is lots of snow.

• There are no animals.

• They receive little sunlight.

• They are not near oceans.

Tags

NGSS.MS-ESS2-6

Where can desert biomes often be found?

• at the poles

• on coral reefs

• only on coasts

• near the Equator

Which biome is the largest?

• desert

• tundra

• mountain

• marine

Why might a tundra have fewer animals than a desert?

• It is drier.

• It is saltier.

• It is hotter.

• It is brighter.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which part of a mountain biome has the most life?

• lower regions

• higher regions

• High and low are the same.

• Mountain biomes have no life.

Why might there be geysers in Yellowstone National Park?

• Too many tourist visit the park.

• The bison became overpopulated.

• Plant roots clog up rivers and lakes.

• There s lots of heat under the ground.

Tags

NGSS.MS-ESS2-2