Platyhelminthes

Animals in Phylum Platyhelminthes have ______ Symmetry

• Bilateral

• Radial

• Assymetrical

• Good

Platyhelminthes possess _____ tissue (cell) layers

• 1

• 2

• 3

• 4

The digestive system of the Platyhelminthes has _____ opening(s).

• 4

• 3

• 2

• 1

Label this planarian.

d

e

f

c

b

a

neural ganglia

nerve cord

pharynx

auricle

ocellus

gastrovascular cavity

Tags

NGSS.MS-LS4-2

What kind of cells do flatworms remove waste with?

• Stem cells

• Endothelial cells

• Muscle cells

• Flame cells

The _____ is an example of Platyhelminthes.

• tape worm

• planarian

• leech

• earthworm

Platyhelminthes have _____ circulatory system.

• no

• central

• open

• closed

Which of the following are characteristics of Platyhelminthes?

• radial symmetry

• acoelomate

• protostome

• deuterostome

• bilateral

This type of flatworm is free-living in freshwater and marine environments.

• Trichinosis

• Planarian

• Schistosomiasis

• Tapeworm

Match the following

• Free-living & Aquatic. Ciliated eternal surface. Mostly Hermaphrodite

• Trematoda

• Commonly called tapeworms. All are endoparasites that reside in a vertebrate digestive system

• Cestoda

• All are parasitic and called flukes. Great Economic and medicinal importance.

• Turbellaria

Tags

NGSS.MS-LS4-2