Flatworms

Which best describes a flatworms appearance?

• fat and tall

• thin and flat

• thick and fat

• round and tall

Which of these best discribes a flatworms appearance?

• Exoskeleton

• Soft body, no skeleton

• Endoskeleton

• Hard body, skeleton

What type of symmetry do flatworms have?

• no symmetry

• radial symmetry

• bilateral symmetry

• bilharzia symmetry

Which is correct for flatworms?

• Simple nervous system, brain and eyes

• Simple nervous system, brain, absent eyes

• No nervous system, no brain, no eyes

• complex nervous system, brain and eyes

Match the flatworm to the Class it belongs in.

• Monogenea

• Parasitic Flukes

• Trematoda

• Ectoparasitic Flatworms

• Cestoda

• Free-living flatworms - Planaria and Polycladida

• Turbellaria

• Parasitic Tapeworms

Label this planarian.

d

e

f

c

b

a

nerve cord

auricle

gastrovascular cavity

pharynx

ocellus

neural ganglia

There are 4 classes of flatworms.

1. 1. ​ (a)   = Free-living Flatworms, such as planarians and polycladida (marine flatworms)

2. 2. ​ (b)   = Ectoparasitic Flatworms

3. 3. Trematoda = Parasitic ​ (c)  

   4. 4. Cestoda = Parasitic ​ (d)  

• Turbellaria

• Monogenea

• Flukes

• Tapeworms

• Roundworms

• Schistosoma

• Ascaris

• Planaria

Which is the scientific name of flatworms?

• phylum Platyhelminthes

• coleoptera

• diptera

• lepidoptera

What do flatworms eyespots sense?

• movement

• just shadows/outlines of things

• how much light and direction it came

• everything, like we do

Which is not a type of flatworms?

• Tapeworm

• coelenterates

• liverfluke

• planaria