three main kinds of invertebrates worms mollusks arthropods

Three Main Kinds of Invertebrates

Worms

Mollusks

Arthropods

Two Main Kinds of Worms

Segmented Non-segmented

2 Types of Mollusks Live on Land

Slugs Snails

http://www.uidaho.edu/so-id/entomology/Home_&_Garden.htm

4 Types of Arthropods

Insects

http://www.inhs.uiuc.edu/cee/index.html

Spiders and Their Kin

Millipedes and Centipedes

Crustaceans

http://www.uidaho.edu/so-id/entomology/Lawn_Pests.Htm#mites

Examples of Types of Insects

Beetles Ants

Six legs, three body parts, usually have wings except in the immature or larva stage

http://www.uidaho.edu/so-id/entomology/Home_&_Garden.htm

Examples of Millipedes and Centipedes

Millipede Centipede

2 pairs of legs for each body segment

1 pair of legs for each body segment

Examples of Spider Kin

Daddy Long Legs Mites

Pseudoscorpions

Eight legs, two body parts, no wings

http://www.uidaho.edu/so-id/entomology/Spiders.htm#arthropods

Examples of Crustaceans

Sowbugs and Pillbugs (Roly poly)

Seven pairs of legs

http://www.uidaho.edu/so-id/entomology/Spiders.htm