Chapter 1 Lesson 1

An _____ is an animal without a backbone.

• vertebrate

• invertebrate

• environment

• forest

The ____________ is a cold, northern forest.

• tundra

• ocean

• taiga

• wetland

A ________ is an environment that has a dry climate.

• wetland

• desert

• ocean

• forest

________ are filled with trees.

• forest

• wetlands

• desert

• ocean

A ______ is an animal with a backbone.

• vertebrate

• invertebrate

• environment

• organism

The _________ is the world's coldest environment.

• ocean

• tundra

• wetland

• forests

An _________is a large body of salt water.

• wetlands

• taiga

• tundra

• ocean

An ______ is all the living and nonliving things in a place.

• organism

• vertebrate

• environment

• invertebrate

A ________ is an environment where water covers the soil for most of the year.

• ocean

• wetland

• environment

• tundra

_________ are living things.

• organism

• environment

• tundra

• taiga