Animal Classification

Front

What is a coelacanth?

Back

Thought to be an extinct 'living fossil', rediscovered in 1938.

Front

What percentage of animals are invertebrates?

Back

95% of animals are invertebrates.

Front

What are sponges?

Back

Phylum Porifera, 'pore bearers', filter feeders.

Front

What are nematocysts?

Back

Cells used by cnidarians to paralyze and capture food.

Front

What is the Great Barrier Reef?

Back

It is 1,550 miles long and located off the coast of Australia.

Front

What are mollusks?

Back

Phylum Mollusca, examples include clams, nautilus, slugs, and octopus.

Front

What is a univalve?

Back

A mollusk with one shell.

Front

What is a bivalve?

Back

A mollusk with two shells.

Front

What is a cephalopod?

Back

Head-footed mollusks like octopuses and squid.

Front

How are pearls formed?

Back

Pearls form inside oysters when an irritant is coated in layers.