Corals live as a group called a _________.

A small, soft segmented invertebrate equipped with setae.

A small, unsegmented invertebrate equipped with tentacles on its head.

What an octopus can secrete in its saliva to paralyze its prey.

How some invertebrates can maneuver in water.

A sea invertebrate with ten tentacles

A group of animals living together.

Bowl-shaped body; stinging tentacles

Two different organisms living closely together that benefit from each other.

Has at least five spiny arms.

An invertebrate with jointed legs.

Give an example of a symbiotic relationship found in the sea.

Give an example of an arthropod.

Large eyes that are made of many small eyes.

The last part of an insect contains the heart and stomach.

Middle body part of an insect where wings and legs are attached.