Desert & Grassland Ecosystems

Which statement describes one way in which living organisms in a desert ecosystem interact with nonliving things in the ecosystem?

• Sunlight warms soil on the Earth's surface

• Plants get nutrients from the soil

• Sunlight produces light which causes rocks to have shadows

• Desert birds eat seeds found in the sand

Tags

NGSS.MS-LS2-3

All of the following are examples of living things interacting with each other EXCEPT —

• birds preying on insects living in the grass
• squirrels spreading the seeds of trees by burying them
• frogs sleeping in the mud at the bottom of the pond
• fish eating plants and other smaller fish

Tags

NGSS.MS-LS2-2

Which observation in a grassland involves an interaction between two groups of living organisms?

• Termites live in a decaying log

• Plants provide food for wildlife

• A prairie dog burrows in the soil

• Trees grow next to a creek

Which of these describes one or more living organisms interacting with another living organism in a grassland?

• Mold grows on the side of a rock

• An oak tree absorbs light in its leaves

• Insects collect pollen from a flower

• A lizard crawls across the soil

The photograph below shows a meadow. How does the meadow support a community of butterflies?

• The meadow contains many rocks for the butterflies to build nests.

• The meadow contains many flowers from which the butterflies can get nectar.

• The meadow contains many rivers from which the butterflies can get water.

• The meadow contains many seeds for the butterflies to eat.

Which adaptation of a cactus is related to its interactions with living organisms in its environment?

• roots that grow deep underground to reach water

• spines to protect it from animals that want its water

• a waxy, outer coating to prevent the loss of the water

• large, expendable stem that allows it to store water

Tags

NGSS.MS-LS2-1