Ecosystems Test

_______ are consumers that eat only meat.

• Herbivore
• Omnivore
• Carnivore

________ are consumers that eat plants and meat.

• Herbivore
• Omnivore
• Carnivore

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

• decomposer
• consumer
• herbivore
• producer 

Tags

NGSS.MS-LS1-6

Field mice eat corn. Which would most likely happen if the field mouse population grew?

• There would be more corn to feed the field mice.
• There would be less corn due to the mice eating it.
• The habitat would get overpopulated because the mice woudl eat too much.

Tags

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Which describes a decomposer?

• an organism that eats only plants
• an organism that makes its own food
• an organism that breaks down dead matter
• an organism that recieves energy from the sun

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease
• stay the same
• increase

Tags

NGSS.MS-LS2-1

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What are interconnected food chains called?

• consumers
• predators
• food web

Tags

NGSS.MS-LS2-3

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase
• The number of plants would increase
• all organisms would adapt
• All living organisms would eventually die

Tags

NGSS.MS-LS1-6

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All food chains_____________________

• have more consumers than producers
• produce and use same amount of energy
• begin with a producer
• are unhealthy 

Tags

NGSS.MS-LS1-6

How does energy enter an ecosystem? 

• sunlight
• soil 
• animals 
• invasive species 

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3