Movement of Matter in Ecosystems

What is a producer?

• an animal that eats only plants

• the process plants use to make food

• an organism that makes its own food

• an organism that must eat to survive

Jake made a model of a food chain. The living things in his food chain were a flower, a bee, and a tree. Which is missing from the model of Jake's food chain?

• prey

• a consumer

• a producer

• a predator

Tags

NGSS.MS-LS2-2

Which organism would be found at the top of an energy pyramid?

• bee

• hawk

• lizard

• flower

Tags

NGSS.MS-LS2-3

Which is an example of a decomposer?

• grass

• a bird

• a snake

• a mushroom

In this food web, from where does the snake get energy?

plant-->fly-->toad-->snake-->hawk

• from the plant

• from the toad

• from the fly

• from the hawk

Tags

NGSS.MS-LS2-3

What role does bacteria have in an ecosystem?

• producer, because it gets energy from the sun

• carnivore, because it gets energy from animals

• decomposer, because it breaks down dead materials

• omnivore, because it gets energy from both plants and animals

Tags

NGSS.MS-LS2-3

Order the steps from 1 to 4 to show how organisms receive energy. The original source is number 1 and the last organism to receive the energy is number 4.

blackberry bush

coyote

bunny

sun

• 1. 1-sun, 2-bunny, 3-coyote, 4-blackberry bush

• 1. 1-bunny, 2-sun, 3-blackberry bush, 4-coyote

• 1. 1-sun, 2-blackberry bush, 3-bunny, 4-coyote

• 1. 1-coyote, 2-bunny, 3-blackberry bush, 4-sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3