Ecosystems

In a meadow ecosystem, a population of rabbits increases. What populations are most likely to increase as a result?

• foxes, hawks, and other predators of the rabbits

• leafy plants that rabbits eat

• rabbits that live elsewhere

• worms that live in the meadow soil

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Without decomposers, what would build up on the ground and not return to the soil?

• large rocks

• rain water

• bacteria and other microorganisms

• dead plant and animal matter

Tags

NGSS.MS-LS2-3

In any community, which group includes the largest number of animals?

• herbivores

• prey

• predators

• consumers

All the living and nonliving things in an area make up a/an

• community.

• ecosystem.

• population.

• environment.

Tags

NGSS.MS-LS2-3

An _____ is everything that surrounds and affects a living thing.

• ecosystem

• environment

• population

• community

Tags

NGSS.MS-LS1-5

What is the best choice for studying decomposers at work?

• a rotting log on the forest floor

• a live, healthy tree

• a robin that builds a nest in a tree

• cut wood at a lumber yard

Tags

NGSS.MS-LS2-3

In a diagram of a food web, the arrows show the flow of

• soil

• sunlight

• oxygen

• energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following would be at the end of a food chain?

• grass

• fungi

• sheep

• coyote

What is the best choice for studying decomposers at work?

• a rotting log on the forest floor

• a live, healthy tree

• a robin that builds a nest in a tree

• cut wood at a lumber yard

Tags

NGSS.MS-LS2-3

Without the Sun, which of Earth's organisms could no longer survive?

• producers only

• producers and consumers

• scavengers only

• nearly all organisms

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4