NGSS.5-LS2-1

Bacteria and fungi typically serve what role in an ecosystem?

• herbivore
• carnivore
• omnivore
• decomposer

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NGSS.5-LS2-1

Which of the following best describes the blue bird's (in the middle) role in this ecosystem?

• carnivore
• omnivore
• herbivore
• decomposer

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NGSS.5-LS2-1

Decomposers put what back into the soil?

• Dirt
• Food
• Energy
• Nutrients 

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NGSS.5-LS2-1

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

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NGSS.5-LS2-1

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

• 10%
• 20%
• 80%
• 90%

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NGSS.5-LS2-1

A secondary consumer gets his energy from...

• the sun

• another consumer

• producers

• eating dead plants or animals

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NGSS.5-LS2-1

What is incorrect about this diagram?

• It shows a producer getting energy from a consumer.

• There is not a producer in this food chain.

• There is not a herbivore in this food chain.

• It should begin with a carnivore, not a producer.

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NGSS.5-LS2-1

Which answer is a true statement? Use the food chain to answer the question.

• The mushrooms break down the mountain lion because it is a scavenger

• The mountain lion eats the deer and is a carnivore

• The plant is a producer and gives energy directly to the carnivore

• The deer is an omnivore because it eats only plants

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NGSS.5-LS2-1

The removal of which organism would result in the most damage to the ecosystem?

• fox

• rabbit

• grasshopper

• grass

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NGSS.5-LS2-1

Which organism acts as the recycling agent in a food chain?

• consumer

• decomposer

• producer

• scavenger

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NGSS.5-LS2-1