Ch. 1 A Look at Living Things

All living things are ___________.

• Organisms

• Shelter

• Environment

• Exoskeleton

Everything that surrounds a living thing is called an ______________.

• cell

• environment

• organism

• photosynthesis

An animal that has no backbone is called an _____________.

• invertebrate

• vertebrates

• exoskeleton

• cells

Plants and animals have ___________ that help them get what they need to survive.

• photosynthesis

• vertebrates

• reptiles

• structures

Animals that have backbones are called ____________.

• invertebrate

• organism

• vertebrates

• shelter

The process by which a plant makes food is called _____________.

• reptiles

• shelter

• photosynthesis

• environment

A place in which an animal can stay safe is called a _________.

• shelter

• cells

• invertebrate

• photosynthesis

A thin, hard covering that surrounds certain animals' bodies is called an ___________.

• reptile

• photosynthesis

• exoskeleton

• vertebrate

The building blocks of life are called _________.

• cells

• shelter

• exoskeleton

• survival

Vertebrates that have scaly skin and breathe through lungs are called ___________.

• mammals

• reptiles

• amphibians

• birds