Key Vocabulary
mammal
A mammal is an animal with hair that gives birth to live babies.
reptile
A reptile is an animal that lives on land and has dry skin. it is everywhere.
amphibian
Any animal that can live both on land and in water is an amphibian. Amphibian have smooth, wet skin.
bird
A bird has feathers and two wings. Most birds can fly.
insect
An Insect is a small creature with three body parts and six legs. Insects have no bones.
fish
A fish is a creature that lives in water and breathes through gills. Fish use fins and a tail to swim.
scale
A scale is a section of the skin on a fish or a reptile.
young
Young is the babies of animals.
bone
A bone is a hard, white part that makes up the frame of the body.
egg
An egg is a round shell where a baby bird or reptile grows.
Visual Summary
| type | picture | characteristics |
|---|---|---|
| mammal |  | hair or fur, gives birth to live babbies |
| bird |  | two legs, two wings and feathers |
| amphibian |  | smooth and wet skin, enabling them to live on land and in water |
| reptile |  | dry skin coverd with scales |
| fish |  | scales |
| insect |  | three body parts, six legs and hard shell |
Exercise
Match each word with its definition
- an animal that has smooth, wet skin and can live in water and on land. (amphibian)
- an animal that has three body parts and six legs. (insect)
- an animal that live in the water and has scales on its body. (fish)
- an animal that has dry skin and lays eggs. (reptile)
- an animal that has feathers and wings. (bird)
- an animal with hair on its body. (mammal)
Up close (Review)
Whales
Are they fish? No, whales are mammals. Whales give birth to live babies.
Spiders
Are they insects? No, spiders are arachnids not insects. Spiders have eight legs.
True of False
| Statement | True or False |
|---|---|
| Amphibians have dry skin covered with scales | F |
| Fish have scales and fur | T |
| Insects have no bones | T |
Reading passage
There are many kinds of animals. Some lay eggs and some give birth to live young. Some have smooth skin and some have scales. Some live in the water and some live on land.
A mammal is an animal with hair on its body. It gives birth to live young. A reptile has dry skin and lays eggs.
Fish live in the water. They have scales on their bodies and they lay eggs. Amphibians have smooth, wet skin, and most lay eggs.
A bird is an animal with feathers on its body. It has wings. Many animals have bones in their bodies. Bones are hard and give an animal’s body shape.
Insects have three body parts and six legs. They do not have bones. What kind of animals can you see every day?
Reading skill
Classify
| Group | characteristics |
|---|---|
| mammal | give birth to live young |
| bird | feathers and wings |
| reptile | dry skin |
| amphibian | smooth, wet skin |
| fish | scales on their bodies |
| insect | three body parts and six legs |
Comprehension
- Fish have scales, live in (water) and lay eggs.
- A mammal is an animal that gives birth to (live young).
- Amphibians have smooth, wet skin which (enables them to live on land and in water).
- A spider is not an insect because (it has 8 legs, not 6 legs)
source
From American Textbook Reading Science 04 45:51