NC Check in Review #2

Front

What is a unicellular organism?

Back

An organism that consists of a single cell, which performs all necessary functions for life.

Front

What is the main function of all unicellular organisms?

Back

Every cell can perform its own functions.

Front

What happens to plants if all the soil in an ecosystem washes away?

Back

Most of the plants would die.

Front

How do nutrients return to the soil in a forest ecosystem?

Back

Organic matter is recycled from dead organisms.

Front

What is the effect of an increase in fish population in a lake?

Back

There will be fewer insects in the lake.

Front

What is the purpose of the cardiovascular system?

Back

It delivers blood to the body’s tissues.

Front

What do plants need from the soil to survive?

Back

Nutrients.

Front

What is organic matter?

Back

Material that comes from the remains of living organisms, which is important for soil health.

Front

What is an ecosystem?

Back

A community of living organisms and their interactions with their environment.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organisms, returning nutrients to the soil.