Flatworms and Roundworms

Front

What is the tubular mouthpart of flatworms called?

Back

Pharynx

Front

What is the middle tissue layer in flatworms and roundworms known as?

Back

Mesoderm

Front

What are the sensory cells on planaria that detect water currents and chemicals called?

Back

Auricles

Front

How many tissue layers do Platyhelminthes possess?

Back

3

Front

What type of cells do flatworms use to remove waste?

Back

Flame cells

Front

What is the outermost tissue layer in flatworms called?

Back

Ectoderm

Front

What is the innermost tissue layer in flatworms called?

Back

Endoderm

Front

What is the primary function of flame cells in flatworms?

Back

Excretion of waste products

Front

What type of symmetry do flatworms exhibit?

Back

Bilateral symmetry

Front

What is the body plan of roundworms characterized by?

Back

A pseudocoelom and a complete digestive system