Animal Characteristics and Classification

Which of the following is a characteristic of animals?

• Multicellular

• Autotrophic

• Prokaryotic

• Photosynthetic

What type of symmetry cannot be separated into equal parts?

• Bilateral

• Radial

• Asymmetric

• Spherical

Which phylum does not have tissues?

• Porifera

• Cnidaria

• Platyhelminthes

• Mollusca

What is the function of collar cells in sponges?

• Capture food particles

• Provide structural support

• Reproduce asexually

• Filter water

Which phylum includes flatworms?

• Platyhelminthes

• Annelida

• Nematoda

• Mollusca

What is the body design of segmented worms?

• Asymmetric

• Radial

• Bilateral

• Spherical

Which phylum includes roundworms?

• Platyhelminthes

• Annelida

• Nematoda

• Mollusca

Which class of mollusks has a closed circulatory system?

• Gastropods

• Bivalvia

• Cephalopods

• Platyhelminthes

What is the exoskeleton of arthropods made of?

• Chitin

• Calcium carbonate

• Keratin

• Cellulose

Which phylum includes sea stars and sea urchins?

• Echinodermata

• Chordata

• Mollusca

• Arthropoda