Classifiying living things

Too small to be seen with the eye alone.

• microscopic

• bacteria

• protist

Without tubes or channels.

• invertebrate

• nonvascular

• vascular

An animal with a backbone.

• vascular

• invertebrate

• vertebrate

An animal without a backbone.

• vascular

• nonvascular

• invertebrate

Humans are classified into these two groups.

• vertebrates and mammals

• invertebrates and mammals

• vertebrates and reptiles

Which kingdom does a dog belong to ?

• plant

• animal

• microorganism

• bacteria

What does "classify" means?

• To place things that share properties together in tissues.

• To place things that share properties together in groups.

• To place nonliving things that share properties together in groups.

• To eliminate things that share properties together in groups.

In the animal kingdom, there are 2 main groups. The group of animals that have a backbone are called _______

• vertebrates
• invertebrates

Animals that have hair and milk their young are called ________. 

• monerans
• mollusks
• mammals

_______ are animals that have dry, scaly skin.

• reptiles
• mammals
• arthropods