Plants and Animals Review Assessment

The food web below is missing the direction of energy flow between organisms. Which of the following correctly shows a flow of energy through the food web?

• mountain lion → deer → tree

• rabbit → mountain lion → deer

• grass → mouse → snake

• owl → frog → cricket

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Decomposers help in

• spreading decay in the environment.

• recycling nutrients back into the environment.

• controlling large populations in the environment.

• supplying energy directly to consumers in the environment.

Tags

NGSS.MS-LS2-3

What is missing from the following food chain? Sun → green plants → (a)   → carnivore.

• decomposer

• herbivore

• producer

• parasite

Tags

NGSS.MS-LS2-3

Which best describes the organisms that would recycle decaying matter back into the mountain ecosystem?

• The mushrooms because they are decomposers and break down matter to return to the ecosystem.

• The Sun because it provides all the energy required for the organisms to return matter to the ecosystem.

• The deer because they are consumers and break down the matter from producers to return to the ecosystem.

• The berries and flowers because they are producers and are broken down for multiple consumers in the ecosystem.

Tags

NGSS.MS-LS2-3

The picture shows a simple food chain. Which sentence best describes the flow of the energy in the food chain?

• The oak tree turns soil into energy that passes to the squirrel and hawk.

• The hawk turns the food it gets from the squirrel into energy that passes to the oak tree.

• Energy passes from the tree to the squirrel and then from the squirrel to the hawk.

• The squirrel creates energy that passes to the oak tree.

Tags

NGSS.MS-LS2-3

The table lists many organisms and what they eat. Which of the organisms in the table are carnivores based on how they transfer matter?

• the grizzly bear and the white tailed deer

• the elephant and the white tailed deer

• the red fox and the elephant

• the alligator and the Bengal tiger

Tags

NGSS.MS-LS2-3

Look at the energy pyramid. Energy flows from

• the wildflower to the mouse to the Sun.

• the snake to the mouse to the flower.

• the wildflower to the mouse to the snake.

• the wildflower to the rattlesnake to the field mouse.

Tags

NGSS.MS-LS2-3

Which type of organisms get their energy directly from the Sun?

• Producers

• Decomposers

• First-level consumers

• Second-level consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Look at the energy pyramid. Energy in this environment flows from:

• the herring to the mackerel to the sharks.

• the sharks to the small crustaceans to the mackerel.

• the phytoplankton to the sharks to the small crustaceans.

• the herring to the small crustaceans to the phytoplankton.

Tags

NGSS.MS-LS2-3

The picture shows an ocean food chain. Which sentence about the food chain is correct?

• The tuna are producers and the shrimp are consumers.

• The plankton are producers and the tuna are consumers.

• The flying fish are decomposers and the sharks are consumers.

• The mackerel are producers and the plankton are decomposers.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3