Life Science Review

The plants and animals shown are commonly found in a forest ecosystem. The arrows indicate the direction of energy flow. In this food web, where does the rabbit get its energy?

• owl

• fox

• grass

• grasshopper

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The plants and animals shown are commonly found in a forest ecosystem. The arrows indicate the direction of energy flow.Which sequence correctly identifies a path of energy flow through this food web?

• from grasshopper to bird to caterpillar

• from hawk to chipmunk to tree

• from grass to rabbit to fox

• from fox to hawk to owl

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The plants and animals shown are commonly found in a forest ecosystem. The arrows indicate the direction of energy flow.

What is the source of energy for organisms in this ecosystem?

• rocks

• water

• sunlight

• fertilizer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The table shows the feeding habits of four organisms in an ecosystem. Which statement describes the flow of energy through this ecosystem?

• Barn owls get energy from cucumber beetles.

• Cucumber beetles provide energy to the voles.

• Herbivores provide energy to barn owls and brown bats.

• Producers get energy from cucumber beetles and voles.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The table shows the feeding habits of four organisms in an ecosystem. Which sequence correctly identifies the flow of energy in this ecosystem?

• Grains to barn owls to voles

• Plant seeds to voles to barn owls

• Barn owls to brown bats to stink bugs

• Brown bats to cucumber beetles to stink bugs

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Hummingbirds feed on the nectar of flowering plants. In this process, they also pollinate the plants. Which symbiotic relationship does this represent?

• predation

• mutualism

• commensalism

• parasitism

Tags

NGSS.MS-LS2-2

Grasshoppers, cactus plants, lizards, and rattlesnakes are organisms found in a desert ecosystem. Which activity in a desert ecosystem increases the amount of energy available to living things?

• Rattlesnakes search for rodents and small mammals for food.

• Cactus plants change sunlight into food and grow larger.

• Lizards feed on the ants that crawl out of ant holes.

• Grasshoppers sit in the sunlight and chirp.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In this ecosystem, what is the role of the bacteria?

• consumer

• decomposer

• producer

• herbivore

In this ecosystem, what is the role of the sparrow?

• consumer

• decomposer

• producer

• herbivore

In this ecosystem, what is the role of the grass?

• consumer

• decomposer

• producer

• herbivore

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3