Ecosystems and Biomes

Which diagram best shows how energy flows through a simple food chain?

• Leaves → Caterpillar → Bird

• Tree → Bird → Caterpillar

• Leaves → Tree → Caterpillar

• Caterpillar → Leaves → Bird

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NGSS.MS-LS2-3

Which one of these is an herbivore

• Fox

• Frog

• Rabbit

• Owl

Which statement correctly describes an energy transfer within this food web?

• The owl transfers energy to the snake.

• The grasshopper transfers energy to the rabbit

• The fox receives some energy from the berry bush.

• The berry bush receives some energy from the grasshopper

Tags

NGSS.MS-LS2-3

Mr. Harris mows his lawn twice each month. He claims that it is better to leave the clippings on

the ground. Which long term effect will this most likely have on his lawn?

• It will eventually cause the grass to stop growing.

• It will prevent bacteria from invading the lawn.

• It will provide the lawn with needed nutrients

• It will reduce the insect population

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Below is a food chain from an ecosystem.

fly → frog → snake → alligator

The arrows indicate the direction of the flow of

Tags

NGSS.MS-LS2-3

A sample food chain is shown below.

grass → insect → lizard → hawk

The energy moves through the food chain directly from the

• grass to the lizard.

• insect to the hawk.

• hawk to the grass.

• lizard to the hawk.

Tags

NGSS.MS-LS2-3

The mating of California condors in zoos is an example of

• habitat preservation

• captive breeding.

• biodiversity.

• habitat destruction.

All of the following are biotic factors except

• Tree

• Leaves

• Air

• Bear

Which biome is extremely cold and dry?    

• Desert

• Grassland

• Tundra

• Mountains

A hawk building its nest on an arm of a saguaro cactus is an example of

• Commensalism

• Paratisim

• Mutualism

• Predation

Tags

NGSS.MS-LS2-2