5th Chapter 1

To put things into groups

• organism

• classify

• class

• plants

The highest level of classification of living things is

• species

• class

• kingdom

• protists

The lowest level in the animal kingdom is

• species

• family

• order

• class

which group in the animal kingdom only has one animal, and shows it to be a wolf in the book

• class

• genus

• species

• order

An animal with a backbone is called a

• invertebrate

• kingdom

• class

• vertebrate

These make milk for their young, have hair or fur, and are warm blooded

• bird

• mammal

• fish

• amphibians

these are cold blooded, tough dry skin with scales, hatch from eggs, and live on their own once they hatch

• birds

• fish

• mammals

• reptiles

these can change their body temperature with the environment

• warm blooded animals

• cold blooded animals

have soft, moist skin. Absorb water and oxygen, cold blooded, lay eggs in water, most look like tadpoles when young.

• dinosaur

• reptiles

• amphibians

• birds

Live in water, get oxygen through gills, hatch from eggs, and live on their own when young

• fish

• amphibians

• lizards

• frogs