Energy Flow in an Ecosystem 4

Which organism is likely to be at the beginning of a food chain for a pond?

• Sunfish
• Freshwater shrimp
• Paramecium
• Green Algae

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of these best explains why predators need plants, such as grass, in their ecosystem?

• Plants are a large part of their diets
• Plants provide safety for predators
• Plants break down the organisms that the predators eat
• Plants provide food for their animals that the predators eat

What is indicated by the diagram?

• Food web
• Food chain
• Food map
• Food menu

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

An organism that eats both plants and animals is known as a(n)

• Carnivore

• Omnivore

• Herbivore

• Decomposer

Autotrophs are organisms that produce their own food. Which do scientists classify as autotrophs?

• Chordates

• Fungi

• Plants

• Molds

Tags

NGSS.MS-LS2-3

What is the first source of energy for almost all food webs?

• Plants

• Sunlight

• Mineral in the soil

• Decomposers

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

What organisms are at the bottom of an energy pyramid?

• Producer
• Consumer
• Decomposer
• Scavenger

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NGSS.MS-LS2-3

How much energy is passed on to each trophic level in an energy pyramid?

• 10%
• 90%
• 50%
• 80%

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NGSS.MS-LS2-3

Which organisms have the most available energy in an energy pyramid?

• Producers

• Consumers

• Decomposers

• Detritivores

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Where do crickets get their energy?

• Cattails
• Marsh Grass
• Grasshoppers
• Shrews

Tags

NGSS.MS-LS2-3