In a parasite-host relationship, this organism is the one that makes it possible for the other organism to live by giving the other organism a home and nutrients

This type of worm has long-flattened bodies with bilateral symmetry and lives off of other organisms

This type of worms body structure is described as a "tube within a tube", and it's digestive tract has two openings.

This type of worm, also known as "annelids", is split up into segments that each have their own nerve cells and blood vessels. This type of worm's body has a closed circulatory system.

Animals that use water to bring in food from the surrounding environment are ________

Select an animal that has bilateral symmetry?

Name the THREE groups of Mollusks.

What is a radula?

To which group of mollusks this octopus belong?

Which of the following is the largest group of animals?

Where is an exoskeleton located?

The head and thorax of a spider are called the

An animal with six legs and two antennae is called a(n)

Crustaceans use ______________________to breathe.

How many stages does incomplete metamorphosis have?

Which of these arthropods has a cephalothorax, an abdomen, and claw-like mouthparts

A network of water filled canals with thousands of tubes connected to it. Used to bring nutrients throughout the body.

Hard framework inside the body used for support

Hollow thin walled tubes that each end in a suction cup (used to move around)