The High Invertebrates

Segmented worms

• Annelids

• Echinoderms

• Mollusks

• Arthropods

Which of the following is an Annelid worm?

• Squid

• Insect

• Leech

• Starfish

Annelids are important because

• They aerate the soil

• We eat lots of them

• First group to fly

• They have beautiful shells

Annelids circulatory system that has blood always in vessels is:

• closed

• open

Annelids have nephridia. What do nephridia do?

• excretory function

• digestive function

• nervous system function

• reproductive function

Has both male and female reproductive structures - and they both work!

• cephalization

• aphrodite

• troglodite

• hermaphrodite

These separate the Annelid segments inside the worm

• muscles

• septa

• gills

• mantle

Class of the Earthworm

• Polychaeta

• Oligochaeta

• Hirudinea

Insects, spiders, crabs, mites, millipedes, centipedes

• Annelids

• Echinoderms

• Mollusks

• Arthropods

Arthropods can live anywhere on the planet

• TRUE

• FALSE