2ND NINE WEEK TEST (ZOOLOGY )

Front

Arthropods have ____________ symmetry.

Back

bilateral

Front

These organisms have an incomplete gut and no circulatory system.

Back

Flatworms

Front

Free-living flatworms reproduce asexually by regeneration. True or False?

Back

True

Front

Flatworms must be 'flat' so they can move oxygen to all cells via diffusion. True or False?

Back

True

Front

Which of the following does not belong in subphylum Crustacea? (Crayfish, Crabs, Shrimp, Millipedes)

Back

Millipedes

Front

Define bilateral symmetry.

Back

A body plan in which the left and right sides are mirror images of each other.

Front

What is an incomplete gut?

Back

A digestive system that has only one opening for both ingestion and excretion.

Front

What is regeneration in flatworms?

Back

The ability of flatworms to regrow lost body parts.

Front

Why do flatworms need to be flat?

Back

To facilitate diffusion of oxygen to all cells due to their lack of a circulatory system.

Front

List three examples of organisms in subphylum Crustacea.

Back

Crayfish, Crabs, Shrimp.