Ch 12 part 1 Quiz 1

What is zoology?

• the study of life
• the study of zoos
• the study of animals
• the study of invertebrates

What characteristic do all animals have in common?

• eukaryotic
• multicellular
• consumer
• all of the above

Invertebrates are animals without a

• backbone
• skeleton
• tail
• brain

To which phylum does a sea star belong?

• Mollusk
• Echinoderm
• Arthropod
• Animal

To which phylum does an octopus belong?

• Mollusk
• Echinoderm
• Arthropod
• Animal

To which phylum does an slug belong?

• Mollusk
• Echinoderm
• Arthropod
• Animal

What are siphons?

• Tubes that allow water or ink to circulate through.
• Structures that help dig into the sand
• Two shells attached by a hinge
• One shell as a protective covering

What do bivalves have that other mollusks lack?

• Tubes that allow water or ink to circulate through.
• Structures that help dig into the sand
• Two shells attached by a hinge
• One shell as a protective covering

Clams are

• producers
• filter feeders
• decomposers
• foot eaters

What does the water vascular system do for sea stars?

• Move the tube feet
• Allow the heart to beat
• Bring food into the mouth
• Make the spines stick out