Topic 9

Which two statements are true about this food web?

• Mice and rabbits do not produce their own food.

• Kookaburras can consume more than one consumer to get energy for survival.

• Adding another consumer makes the food web more sustainable.

• Adding another producer decreases the amount of energy available.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which two statements are supported by the diagram?

• Grizzly bears eat both bilberry and caribou.

• Foxes eat only worms.

• Mushrooms decompose both caribou and grizzly bears.

• Earthworms eat collared lemmings.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the missing component in this food chain?

• consumer

• producer

• climate

• habitat

Tags

NGSS.MS-LS2-3

There is less energy available in the winter than during the summer because ________ make less food in colder temperatures.

• consumers

• decomposers

• producers

• carnivores

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which food chain appears to be correct?

• phytoplankton – zooplankton – fish – dolphin – orca

• dolphin – zooplankton – fish – orca

• fish – orca – zooplankton – fish – dolphin

• phytoplankton – dolphin – zooplankton – fish – orca

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Producers use energy from the sun to make food. An example of a producer is a(n)....

• owl

• mouse

• squirrel

• plant

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If a cheetah enters the same ecosystem as a lion, they will become competitors. What will happen in this case?

• The cheetahs would take from other resources in the ecosystem, and other organisms will begin to die off.

• The cheetahs would help the ecosystem by providing nutrients.

• The cheetahs would provide more food for producers.

• The cheetahs would help make a healthy, stable ecosystem by not competing with the lions.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A _______ ecosystem occurs when there is a constant, healthy level of producers, consumers, and decomposers.

• stable

• unstable

• complex

• competitive

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A _________ is a model that shows how matter and energy flow from one organism to another.

• food chain

• food web

• starch

• microbe

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

A _________ is an organism that can make its own nutrients, usually with energy from the sun.

• producer

• microbe

• consumer

• decomposer

Tags

NGSS.MS-LS1-6