Ecosystems Test

A(n) __________ includes all living and non-living things in an environment.

• population

• niche

• abitotic

• ecosystem

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Which organism makes their own food through the process of photosynthesis?

• decomposer

• consumer

• herbivore

• producer

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How do consumers get their energy? 

• laying in the sun
• eating other organisms 
• providing food for other organisms
• surviving in an ecosystem 

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A living thing that lives on wastes and the remains of dead plants and animals is a _______.

• producer

• omnivore

• consumer

• decomposer

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Food provides animals with the materials and energy they need for growth, warmth, and motion. Plants get material for growth mostly from air and water, and obtain energy from sunlight. Producers provide food to consumers because ___.

• plants can easily make food from soil and water
• animals cannot produce their own food
• plants are more abundant in ecosystems
• many animals prefer eating plants to eating meat

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Bears eat fish, insects, plants, seeds, nuts and young elk. Bears are called a(n) __________.

• Franivore

• Carnivore

• Herbivore

• Omnivore

What is an ECOSYSTEM?

• The highest number of things that can stay alive in an area.

• All living things in an ecosystem.

• An area, on land or in water, that contains living and non-living organisms which function together.

• All non-living things in an ecosystem.

• Something that limits the number of living things that can be in one ecosystem.

Tags

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What are BIOTIC FACTORS?

• The highest number of things that can stay alive in an area.

• All living things in an ecosystem.

• An area, on land or in water, that contains living and non-living organisms which function together.

• All non-living things in an ecosystem.

• Something that limits the number of living things that can be in one ecosystem.

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Identify the two BIOTIC factors from the list.

• Bacteria

• Rocks

• Sunlight

• Worms

An example of an abiotic factor is...

• sunlight

• oak tree

• dead lizard

• moose

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