Worms have no skeletons or legs, but they exhibit ____________ symmetry.

The ________ is the hollow body cavity of a segmented worm that lies between the body each segment from the next segment.

A ________ is a type of segmented worm that has a thickened glandular region called a clitellum, which aids in the reproductive process.

Microscopic, hairlike bristles called _____ stick out from the body segments and help a clitellate move through its burrow.

A typical __________ is a flatworm with a broad, flat body, or triangular head region, a tapered tail, two eyespots, and two auricles with receptors.

The tough, protective shell around a tapeworm larva is called a _________.

_________ are hard-shelled arthropods, such as crabs and shrimp.

___________ are arthropods with many legs, such as centipedes and millipedes.

Six legged arthropods called ________ include flies, bees, and beetles.

Liquid that flows through the circulatory system of an arachnid.

Spider's abdominal organs; eject web silk.

Arachnid; elongated body; pre abdomen; post abdomen; venomous stinger.

Tiny, oval-shaped parasitic arachnid; feeds on the blood of its host; has only six legs in its larva stage.

Herbivorous myriapod; hunts mostly worms and insects at night.

The three major segments of an insect's body from front to back are the head, ________, and abdomen.

___________ which are tiny holes located along both sides of an insects's abdomen, are used for respiration.

Complete insect metamorphosis has three stages- egg, larva, __________, and adult.

Incomplete insect metamorphosis has three stages- egg, _______________, and adult.

The five types of insect legs include digging, jumping, ___________, running, and swimming.