Ecosystems: Food Chain, Food Web, Predator and Prey

Which is not a consumer?

• Carnivore

• Herbivore

• Omnivore

• Producer

True or False

A decomposer is a living thing that feeds on wastes and on remains of dead plants and animals

• True

• False

Tags

NGSS.MS-LS2-3

Which best describes animals that eat producers?

• first-level consumers or primary consumers

• second-level consumers or secondary consumers

• third-level consumers or tertiary consumers

• top level consumers

Tags

NGSS.MS-LS2-2

True or False

A predator is an animal that hunts for food.

• True

• False

Rabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits?

• Decomposers

• Carnivores

• Producers

• Herbivores

Which food chain correctly describes the flow of energy in an ecosystem?

• Grass > cow > human

• Caterpillar --> leaf --> human

• Cow --> grass--> human

• Leaf --> bird --> caterpillar

Tags

NGSS.MS-LS2-3

How do decomposers help other organisms in an ecosystem?

• Decomposers do not help other organisms in an ecosystem.

• They break down dead organisms and add nutrients back to the soil that plants use.

• They use the sunlight to make their own food that other organisms eat for energy.

• They help disperse seeds for plant growth.

Tags

NGSS.MS-LS2-3

In what order do a hawk, grass, and rabbit form a food chain in a meadow?

• Grass-->rabbit-->hawk

• Rabbit --> grass --> hawk

• Grass --> hawk --> rabbit

• Hawk --> grass --> rabbit

Tags

NGSS.MS-LS2-3

A habitat is a place where __________.  

• None of the above

• All the populations of different organisms

• An organism lives

• All the conditions that surround an organism.

Which of these is the example of a decomposer? 

• Snake

• Fish

• Bacteria

• Plants

Tags

NGSS.MS-LS2-2