Food Chain and Food Webs

The following model shows the organisms that Damian saw on a field trip.

Which list only includes organisms within the model that cannot make their own food?

• heron, otter, and algae

• water lily, algae, and frog

• frog, otter, and heron

• algae, water lily, and otter

Tags

NGSS.MS-LS1-6

Select the correct set of the following that are consumers.

• predators

  scavengers

  bacteria

• scavengers

  bacteria

  omnivores

• omnivores

  fungi

  producers

• predators

  scavengers

  omnivores

Tags

NGSS.MS-LS2-2

Why are decomposers so important to ecosystems?

• They make their own food from sunlight.

• They are the main energy source for most producers.

• They break down dead organisms into nutrients for producers.

• They are the main energy source for most top-level consumers.

Tags

NGSS.MS-LS2-3

Look at the food web.

Which of the following food chains is represented in this food web?

• phytoplankton → krill → penguin

• krill → leopard seal → cod

• cod → squid → zooplankton

• elephant seal → penguin → squid

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Nathan and Amelia created the food web shown.

Which of the following do Nathan and Amelia need to add to their food web?

• producers

• decomposers

• consumers

• predators

Tags

NGSS.MS-LS2-3

Which of the following is a decomposer?

• deer

• mushroom

• rattlesnake

• tree

The seaweed in this environment grows on the surface of the ocean. The seaweed survives by manufacturing energy primarily from

• salt water.

• the Sun.

• nutrients in the soil.

• small organisms in the sea.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The picture illustrates a food web. Use the web to answer any questions that follow.

• consumers that eat plants.

• the Sun, which creates light energy.

• the soil, which contains many insects.

• decomposers that break down other organisms.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which three things that producers need to make their own food?

• air

  pollen

  water

• pollen

  water

  sunlight

• air

  water

  sunlight

• soil

  water

  sunlight

Tags

NGSS.MS-LS1-6

Producers are organisms that

• consume plant and animal remains and other dead matter.

• rely on other organisms for their energy and food supply.

• use energy from the Sun to make their own food.

• obtain their energy by eating only plant material.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3