Ecosystems Review

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 the barn owls and brown bats.

• Producers get energy from cucumber beetles and voles.

Tags

NGSS.MS-LS2-3

The table shows shows the feeding habits of four organisms in an ecosystem. Which food chain shows the flow of energy through this ecosystem.

• grains----> barn owls-------> voles

• plant seeds----> voles---->barn owls

• barn owls ------> brown bats------> stinkbugs

• barn owls-----> cucumber beetles---> pumpkin seedlings

Tags

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

• parasitism

• commensalism

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

• Rattlesnakes search for small rodents and 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

A table showing diet and population information about organisms in a river ecosystem is shown. Select the answers that show how the populations of the organisms would change if the otter moved out of the ecosystem.

• Fish and frog increase, and heron increase or stay the same

• Fish, frog and heron decrease

• Fish, and frog decrease, heron stays the same

• Fish decrease, frogs increase, heron decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The table shows the source of energy for some organisms in a food web. Which organisms use photosynthesis as a source of energy?

• sparrow and fungi

• dandelion and fungi

• grass and dandelion

• caterpillar and cricket

Tags

NGSS.MS-LS1-6

The table shows the feeding relationships among the organisms native to the Atlantic Ocean. Which diagram represents a native food chain that is interrupted by the lionfish introduction into the Atlantic Ocean?

• large fish---> shrimp---> aquatic plants

• octopus----> aquatic plants----->shrimp

• shrimp----> large fish----> phytoplankton

• decaying matter--->shrimp----> octopus

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The table shows the feeding relationships of native species in the Atlantic Ocean. Select the four native populations that decrease as the introduced lionfish population increases in the Atlantic Ocean?

• shrimp

• phytoplankton and aquatic plants

• octopus

• large fish

• small fish

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Plants that grow on the floor of the rainforest need

• cooler temperatures

• dry conditions

• lots of air

• shade

Tags

NGSS.MS-LS1-5

Most grasslands are good for farming because they have

• dry climates

• rich soil

• few insects

• many rivers

Tags

NGSS.MS-LS1-5