The Flow of Energy

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

• Sunfish
• Freshwater shrimp
• Paramecium
• Green Algae

Tags

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 the animals that the predators eat

What is this diagram called?

• 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.HS-LS1-5

NGSS.HS-LS2-5

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

• Plants

• Sunlight

• Mineral in the soil

• Decomposers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which organisms are at the bottom level of an energy pyramid?

• Producer

• Consumer

• Decomposer

• Scavenger

Tags

NGSS.MS-LS1-6

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

• 10%
• 90%
• 50%
• 80%

Tags

NGSS.MS-LS2-3

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

• Producers

• Consumers

• Decomposers

• Detritivores

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-4

Where do crickets get their energy?

• Cattails
• Marsh Grass
• Grasshoppers
• Shrews

Tags

NGSS.MS-LS2-3