What is the Biosphere

What makes up the biosphere?

• Only the living organisms on the land surface

• Only the aquatic life forms in the oceans

• The far reaches of the Earth, from deep in the oceans, to dark caves, to mountain tops, to the upper limits of the atmosphere and everything in between

• Only the atmospheric layer surrounding the Earth

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is a population?

• A group of different species living in the same area

• All individuals of the same species

• The total number of living organisms on Earth

• A collection of communities

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NGSS.MS-LS4-4

How is a community different from an ecosystem?

• A) A community includes only the nonliving components of a place.

• B) A community is larger than an ecosystem.

• C) A community is a group of different populations living in an area at the same time, whereas an ecosystem includes both the living and nonliving components of a place.

• D) A community and an ecosystem are the same.

How are biomes classified?

• A) Biomes are classified by their climate and topography.

• B) Biomes are classified as either terrestrial (land) or aquatic (water) biomes.

• C) Biomes are classified by the color of the dominant vegetation.

• D) Biomes are classified according to the size of the area they cover.

Name Earth's six major biomes.

• A) Forest, grassland, freshwater, marine, desert, and tundra.

• B) Forest, savanna, river, ocean, mountain, and polar.

• C) Jungle, prairie, pond, sea, sand, and ice.

• D) Woodland, meadow, lake, coral reef, steppe, and glacier.