ch. 28 Flatworm & Roundworms

Front

What is the skeletal system of Platyhelminthes?

Back

They don't have one.

Front

What type of organism uses a water snail as its intermediate host?

Back

Schistosomiasis.

Front

To which class do planarians belong?

Back

Turbellaria.

Front

What is the common name of Phylum Nematoda?

Back

Roundworm.

Front

Are most flatworms parasitic?

Back

True.

Front

What is the primary characteristic of flatworms?

Back

They are bilaterally symmetrical.

Front

What is the body structure of roundworms?

Back

They have a pseudocoelom.

Front

What is the main difference between flatworms and roundworms?

Back

Flatworms are flat and have no body cavity, while roundworms are cylindrical and have a pseudocoelom.

Front

What is a common habitat for many flatworms?

Back

Freshwater environments.

Front

What is the function of the tegument in parasitic flatworms?

Back

It protects them from the host's immune system.