Life Science

Which list correctly shows the path through a food and fiber system from a farm to a store?

• fruit, seed, store, fruit

• cotton, grass, soybeans, sunflowers

• seed, tree, fruit, store

• sweater, factory, wool, sheep

Which of the following describes a living thing interacting with a nonliving thing in a forest ecosystem?

• sunlight makes the air warmer

• rain washes dirt off a rock

• a tree gets water from the soil

• a mouse eats grass

Which of the following describes a living thing interacting with another living thing in an ecosystem?

• a mouse eating grass

• a bird drinking water

• a plant using the sun to make food

• a rabbit digging in the soil for shelter

An ecosystem.....

• is made up of only living parts

• is the nonliving part of an environment

• contains only one population

• is made up of living and nonliving things

In the following food chain, what is the producer?

sunlight -> grass -> deer -> coyote -> earthworm

• earthworm

• deer

• grass

• sunlight

Rain falls to the ground. The area of land the water flows over before reaching the river is called....

• creek

• river system

• wetland

• watershed

Swamps, marshes, and lakes are all types of....

• weather

• salt water

• wetlands

• grasslands

Joey has the following organisms in his fish tank: snails, plants, frogs, and fish. Which organism does NOT get energy to live by EATING other organisms?

• snails

• plants

• frogs

• fish

Car oil leaks onto the ground. What will most likely happen if the car oil gets into the water?

• Trees that use the water will grow taller.

• The water will flow more quickly.

• More fish will be able to live in the water.

• People will get sick from drinking the water.

Which of the following describes a PEST?

• a frog eating a fly

• a hawk eating mice

• a worm eating apples

• a goose eating weeds