Classification of Animals

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Roundworms

Have long thin round worm like bodies

Have bodies with no segments

Slide 17

Sponges

Have bodies made of loosely joined cells

Slide 18

Echinoderms

Have bodies divided into five parts

Have spiny outer covering

Slide 19

Cnidarians

Have thin sack like bodies

Have tentacles

Slide 20

Arthropods

Have lots of legs and segmented bodies.

There are four group of arthropods:

Arachnids

Centipedes & Millipedes

Crustaceans

Insects

Slide 21

Arthropods - Arachnid

Have four pairs of legs.

Have bodies divided into two sections

Slide 22

Arthropods – Centipedes & Millipedes

Have long thin bodies and pairs of legs on each of their many body sections

Slide 23

Arthropods - Crustacean

Have five-seven pairs of legs

First pair often used as pincers

Bodies covered in shell

Slide 24

Arthropods - Insects

Have three pairs of legs

Bodies divided into three sections

Often have wings