Ecosystems and Food Chains

1. Which of the following is represented in the diagram below?

Sun>Plants>insects>humans

• Evaporation of water

• Transfer of energy

• reflection of light

• animal food chain

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

2. What might an organism do if there is a change to its ecosystem?

• move

• die

• survive

• all of the above

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Which of the following correctly shows how energy moves through a food chain?

• Sun -> meat eaters-> plants -> plants eaters

• Sun -> plants -> plant eaters -> meat eaters

• Sun -> plant eaters -> meat eaters -> plants

• Sun -> plants -> meat eaters -> plant eaters

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the best definition of an ecosystem?

• Animals and plants living together

• A community of living and nonliving organisms which interact in their physical environment.

• A shelter for humans

• Land and water

A new fish that also eats plants is introduced into a pond. What changes would occur to this pond ecosystem?

• The large fish population will decrease.

• The plant population will decrease.

• The small fish population will increase.

• The new fish population will decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

An organism that makes its own food is called a _____________________________.

• producer

• consumer

• decomposer

• herbivore

Tags

NGSS.MS-LS1-6

In the food chain above, the arrows indicate that the grasshopper gets its energy directly from the _________________.

• snake

• grass

• food

• sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following would be considered a consumer in a marine food chain?

• algae

• seagrass

• sunlight

• shark

Tags

NGSS.MS-LS2-3

10. Only living things interact in an ecosystem.

• true

• false

Tags

NGSS.MS-LS2-3

What is the major source of energy for all organisms and the ecosystems of which they are a part?

• plants

• sunlight

• meat

• animals

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3