What are the two main categories of animal classification?

Animals are classified into two main categories: those with backbones (vertebrates) and those without backbones (invertebrates).

Fill in the blank: Animals that have a backbone are called ___.

Vertebrates

True or False: Insects are considered vertebrates.

False. Insects are invertebrates because they do not have a backbone.

What are the three main body parts of an insect?

The three main body parts of an insect are the head, thorax, and abdomen.

Riddle: I have no backbone, but I can fly, crawl, and hop. What am I?

An insect

List the five groups of animals that possess backbones.

The five groups of animals with backbones are mammals, birds, reptiles, amphibians, and fish.

Fish are primarily characterized by having ___ and ___ covering their bodies.

Scales and fins

What is a unique feature of amphibians that distinguishes them from reptiles?

Amphibians have moist skin and can live both on land and in water.

True or False: All reptiles have to live in water.

False. Some reptiles live on land, while others can live both on land and water.

Fill in the blank: Mammals are covered with ___ or ___ on their bodies.

Hair or fur

Which group of animals forms the fourth largest category and includes humans?

Mammals

What distinguishes birds from other animal groups?

Birds have feathers and wings.

What are the primary modes of movement found in different animal groups?

Fish swim, amphibians like frogs swim and hop, reptiles like snakes slither, birds fly, and mammals typically walk on four legs.

Fill in the blank: Mammals give birth to ___ and produce ___ to feed their young.

Young ones; milk

True or False: All birds can fly.

False. Some birds, like ostriches and penguins, cannot fly.

What adaptations do birds have that help them fly?

Birds have wings, feathers, and lightweight bodies with hollow bones, which enable them to fly efficiently.

I am an animal that has gills and lays thousands of eggs in water. What am I?

A fish

How do amphibians breathe both on land and in water?

Amphibians breathe through lungs on land and can also breathe through their skin in water.