Which of the following is an Annelid worm?

Annelids are important because

Annelids circulatory system that has blood always in vessels is:

Annelids have nephridia. What do nephridia do?

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

These separate the Annelid segments inside the worm

Class of the Earthworm

Insects, spiders, crabs, mites, millipedes, centipedes

Arthropods can live anywhere on the planet

Arthropods can spread diseases

Arthropod means:

Has an exoskeleton:

Because the exoskeleton can not grow with the arthropod, they must occasionally shed their exoskeleton by:

Arthropod circulatory system:

A type of arthropod metamorphosis where the larva makes a pupa and then emerges as the adult.

Shrimp and Lobster

Starfish, Sand dollars, Sea fans, Sea cucumbers.

Echinoderms are excusively:

Echinoderms all have:

Echinoderm means

Echinoderm class that includes the sea urchins

Clams, Squid, Octopus, Oysters, Snails, Slugs

Would NOT find Mollusks here:

Gastropods

Slow moving Mollusks have a closed circulatory system while Fast moving Mollusks have an open circulatory system.

These Mollusks are considered intelligent

All Mollusks -

Some Mollusks use Gills to get their oxygen

Mollusks have an advanced nervous system and some mollusks even have highly developed eyes.