Chapter 11 Invertebrates

Flatworms have eye spots to detect light.

A cockroach belongs to which phylum?

Clams and mussels are part of the phylum shared by _______.

An earthworm belongs to which phylum?

Which characteristic is NOT shared by both flatworms and nematodes?

which of the following is not a characteristic of all animals?

Which is not a major phyla of worms?

Mollusks include the following animals:

Animals with radial symmetry have no head or tail.

A sea star belongs to which phylum?

Which statement is true about invertebrates?

To which phylum does the earthworm belong?

Invertebrates do not include _________.

Flatworms are the same at roundworms except for their flattened shape.

To which phylum do sea urchins belong?

Which is a characteristic of all vertebrates?

An animal with ________has body parts that are nearly mirror images of each other.

Which characteristic separates the animal kingdom into two main categories?

Which animals make up the Phylum Chordata?

They have soft bodies with bilateral symmetry and include snails and clams.

Which is true of sponges?

A nematode belongs to which phylum?

What characteristic is shared by flatworms and cnidarians?

There are more vertebrates than invertebrates in the animal kingdom.

Starfish and jellyfish are part of the cnidaria phylum.

A jellyfish belongs to which phylum?

Arthropods have segmented bodies and jointed appendages.

A spider belongs to which phylum?

They have exoskeletons and pairs of appendages.

An animal with ________ has body parts that are nearly mirror images of anywhere through its central axis.

________ are arthropods such as crabs, shrimp, and lobsters.

A frog belongs to which phylum?

Which of the following is not an arthropod?

Worms do not have ________________.

Cnidarians and echinoderms often have radial symmetry.

The simplest phyla of the invertebrates, with no organs or body symmetry are called _______.

A tapeworm belongs to which phylum?

A thick, hard outer covering that protects an animal is a(n) ________.

Echinoderms are invertebrate animals and have spiny skin.

Planes of symmetry are the dividing plates that create mirrored parts.

Which invertebrate phylum has more animals than all other animal phyla combined?

An ant belongs to which phylum?

Annelids have straight, slimy bodies and complex organ systems.

A squid belongs to which phylum?

What characteristic applies to Sea Urchins?

They have radial symmetry, move on tiny feet, and includes sea stars:

Which animal has radial symmetry?

They have bilateral symmetry and a round, simple body covered with a cuticle.

A(n) _________ is any structure that extends from the central part of an animal's body.

Which characteristics does NOT apply to animals?

A sponge belongs to which phylum?

Echinoderms include the following animals: