Energy in the Ecosystem

What is a food chain?

• A complex network of interconnected food chains

• A linear sequence of organisms through which nutrients and energy pass

• A group of organisms that produce their own food

• A pyramid showing energy flow

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following is a producer?

• Rabbit

• Hawk

• Plant

• Snake

Tags

NGSS.MS-LS1-6

What role do decomposers play in a food chain?

• They produce their own food

• They consume producers

• They break down dead material

• They eat secondary consumers

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following is a primary consumer?

• Frog

• Grasshopper

• Hawk

• Lion

What is a food web?

• A) A linear sequence of organisms

• B) A complex network of interconnected food chains

• C) A group of organisms that produce their own food

• D) A pyramid showing energy flow

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

In a food chain, what is a tertiary consumer?

• An organism that produces its own food

• An organism that eats secondary consumers

• An organism that breaks down dead material

• An organism that consumes producers

Tags

NGSS.MS-LS2-3

Which of the following is an example of a secondary consumer?

• Grass

• Frog

• Hawk

• Fungi

Tags

NGSS.MS-LS2-3

What does a food web provide?

• A) A less accurate representation of energy flow

• B) A single food source for each organism

• C) A more accurate representation of energy flow

• D) A linear sequence of organisms

Tags

NGSS.MS-LS2-3

What is an example of a food chain? A) Plants → Insects → Birds → Foxes B) Grass → Grasshopper → Frog → Snake → Hawk C) Deer → Rabbits → Insects → Birds D) Plants → Deer → Rabbits → Foxes

• Plants → Insects → Birds → Foxes

• Grass → Grasshopper → Frog → Snake → Hawk

• Deer → Rabbits → Insects → Birds

• Plants → Deer → Rabbits → Foxes

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the role of primary consumers in a food chain?

• They produce their own food

• They consume producers

• They eat secondary consumers

• They break down dead material