Flatworms Quiz

What does the term "Platyhelminthes" mean?

• Flatworms

• Roundworms

• Segmented worms

• Ringworms

How many living species of flatworms are there currently?

• More than 25,000

• More than 10,000

• More than 50,000

• More than 5,000

Which of the following is an example of a flatworm?

• Tapeworm

• Earthworm

• Leech

• Nematode

What type of symmetry do flatworms have?

• Bilateral symmetry

• Radial symmetry

• Asymmetry

• Spherical symmetry

Flatworms are the simplest form of which type of organism?

• Triploblasts

• Diploblasts

• Monoblasts

• Polyblasts

What type of body cavity do flatworms have?

• Acoelomates

• Coelomates

• Pseudocoelomates

• Hemocoelomates

Tags

NGSS.MS-LS4-2

What percentage of flatworms are parasitic?

• 80%

• 20%

• 50%

• 70%

Which of the following is a unique characteristic of flatworms?

• Cephalization

• Segmentation

• Exoskeleton

• Radial symmetry

Which class of flatworms includes planarians and is mostly found in aquatic environments?

• Trematoda

• Cestoda

• Turbellaria

• Monogenea

What is a characteristic feature of Trematoda?

• Free-living in moist land

• Parasitic with two suckers

• Lack of digestive cavity

• Only one host per lifetime

Tags

NGSS.MS-LS4-2