Worms are invertebrates too!I lost some of my family last year during your Science experiment with worms. But I forgive you.

Worms vs. Cnidarians Differences

Worms vs. Cnidarians Similarities

How are worms classified?

• Hair style?

• Body structure?

• Religion?

• Tastiness?

• Intelligence?

Worms are classified into phyla by body structure. The 3 phyla:1. _____________________________

2. _____________________________

3. _____________________________

Characteristics of Flatworms

1. Flattened shape

2. Simplest body organization

3. Digestive cavity has one opening

4. Reproduces sexually

• ____________ (never hurts anyone:)– One example is the planarian which is both male

and female• ____________ (not quite so nice:( and pretty much

disgusting)

a. Flukes live in body tissues of animals

b. Tapeworms live in intestines of vertebrates,

incl humans----omg!

Two types of flatworms:

Body structure of planarian

Characteristics of roundworms-also called ____________

• Two way opening for digestion• Reproduce sexually-flatworms are either a

boy or a girl-very sweet, right?• Many attack ________ _______• Some kill insect pests• 50 kinds are ____________ in humans

Female Roundworm

Characteristics of Segmented Worms• Water skeleton• Crop and gizzard to digest soil• 5 hearts (so they are always in love) • __________• Stiff bristles on outside propels them forward

So long for now. Remember, be kind to my friends.