Biosphere Unit

The system that contains all living things on Earth.

• Biosphere

• Atmoshpere

• Hydrosphere

• Geosphere

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"Bio-" means

• life

• water

• Earth

• air

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An organism that uses sunlight to create its own food is known as a:

• Producer
• Heterotroph
• Consumer
• Decomposer

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An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

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What is this called?

• Food Web
• Food Chain
• Abiotic Factors

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What is this called?

• Food Web
• Food Chain
• Abiotic Factors

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In a food web, arrows point at:

• who gets energy.
• who gets eaten.

What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

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The picture provided shows an ocean bay food chain. Sea otters move into the ocean bay. They eat all of the sea urchins. This change will cause the

• kelp to have less food.

• crabs to have more food.

• sea ducks to have less food.

• arctic foxes to have more food.

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Biodiversity, aka biological diversity, usually refers to

• the same species in a general location

• the number of different species in a given area

• the number of animal species in a given area

• the number of plant species in a given area

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