Invertebrates

The group of cnidarians that builds large stony reefs in tropical oceans are the

An example of an animal with radial symmetry is

An animal that has no brain is

The mollusk that has good senses and a brain is the 

Because an earthworm's body is segmented it can

The two possible body forms of a cnidarian are

Most of the stinging cells in a Cnidarian are located 

Which is an adaptation of squid?

A cnidarian polyp is ___________________.

The Cnidarian polyp that we saw in class was

Two features that all mollusks have are

Our lives depend on earthworms because

The motile form of cnidarian is a

Which is the most serious threat to coral reefs?

Why are coral reefs called "rainforests of the sea"?

What percentage of the animal kingdom is made up of vertebrates (animals with backbones)?

An example of an animal with indirect development is

Of the 4 groups of invertebrates we studied, the one that is made up of all aquatic animals is

An example of an arthropod is 

What group of animals makes up 85% of the animal kingdom?

The mollusks that show no symmetry are the

One disadvantage of an exoskeleton is

What are the only animals that have stinging cells?

What conditions are needed for a coral reef to grow?

An example of a mollusk is

One way squid defend themselves from predators is

How do clams get their shells?

An example of an appendage in an arthropod is

An example of a cnidarian is

One reason that insects can't get very large is

A mollusk  that uses spawning to reproduce is the

The relationship between coral polyps and the algae that live within them is an example of

Snails, slugs, scallops, clams, oysters and squid are all

Clams, oysters, and many other marine animals get food by