Invertebrate Animals Quiz

What characteristic do invertebrates share?

• They have a spinal column.

• They do not have a spinal column.

• They have a backbone.

• They have a complex nervous system.

What is cephalization?

• The presence of a hard shell

• The concentration of nervous system tissue in the head region

• The development of a radula

• The presence of a coelom

What type of body symmetry do mollusks have?

• Radial symmetry

• Bilateral symmetry

• No symmetry

What is the mantle in mollusks?

• A hard shell covering the body

• A thin layer of tissue covering the internal organs

• A muscular foot used for locomotion

• A body cavity filled with fluid

What is a coelom?

• A hard shell covering the body

• A thin layer of tissue covering the internal organs

• A body cavity filled with fluid that acts as a designated space for the animal's organs

• A muscular foot used for locomotion

Arthropods are classified as which type of organism?

• Deuterostomes

• Protostomes

What type of symmetry do annelids exhibit?

• Radial symmetry

• Bilateral symmetry

• No symmetry

How many gut openings do Cnidarians have?

• One

• Two

• Three

• Four

What type of symmetry do most adult echinoderms have?

• Radial symmetry

• Bilateral symmetry

• No symmetry

What type of symmetry do most Cnidarians exhibit?

• Radial symmetry

• Bilateral symmetry

• No symmetry