Chapter 11 Quiz

A ______is an animal that has a notochord, a nerve cord, a tail,

and structures called pharyngeal pouches.

• notochord

• chordate

• pharyngeal pouches

• vertebrates

Which characteristic is common to all chordates?

• Bones

• Lungs

• Fur

• Notochord

The simplest of all invertebrates are called

• Corals

• Hydras

• Sponges

The phylum with the most animal species is

• Mollusca

• Arthropoda

• Echinodermata

The phylum Platyhelminthes includes

• Clams

• Beetles

• Flatworms

Echinoderms live only

• In Air

• On Land

• In Oceans

Beetles are in the phylum

• Cnidaria

• Arthropoda

• Echinoderm

Which characteristic applies to a horse

• invertebrate

• spherical

• vertebrate

• asymmetry

The nine major phyla contain __ percent of all animal species.

• 23%

• 46%

• 84%

• 95%

An animal with ____ symmetry has body parts arranged nearly

the same way on both sides of its body.

• Bilateral

• Radial

• No