14-2 Animal Kingdom (pp 430-436)

Front

What is an invertebrate?

Back

An invertebrate is an animal without a backbone.

Front

What type of worms do earthworms belong to?

Back

Earthworms belong to segmented worms.

Front

What is the simplest group of animals?

Back

The simplest group of animals is sponges.

Front

What are the three body parts of insects?

Back

Insects have bodies divided into head, thorax, and abdomen.

Front

To which phylum do vertebrates belong?

Back

Vertebrates belong to the phylum Chordata.

Front

What is a characteristic of arthropods?

Back

Arthropods have exoskeletons and jointed legs.

Front

What are the main classes of arthropods?

Back

The main classes of arthropods include insects, arachnids, crustaceans, and myriapods.

Front

What is the role of sponges in the ecosystem?

Back

Sponges filter water and provide habitat for other organisms.

Front

What distinguishes segmented worms from other worms?

Back

Segmented worms have bodies divided into segments.

Front

What is the significance of the phylum Chordata?

Back

The phylum Chordata includes all animals with a backbone.