Phylum Platyhelminthes

Question 1

Phylum Platyhelminthes are?

Answer 1

flatworms

Question 2

meaning of Platyhelminthes

Answer 2

flatworms

Question 3

habitat of flatworms

Answer 3

aquatic or terrestrial

Question 4

habit of flatworms

Answer 4

free-living and parasitic

Question 5

flatworms’ general body structure

Answer 5

brain, eyespots, sensory lobe, ventrolateral lobe, intestine, pharynx, mouth

Question 6

flatworms have no…

Answer 6

mouth and true stomach structure

Question 7

allows excretion of body wastes

Answer 7

flame cells

Question 8

respiration

Answer 8

simple diffusion via cutaneous respiration

Question 9

nervous system

Answer 9

cerebral ganglion and ventrilateral nerves

Question 10

reproduction

Answer 10

sexual (gametic fusion)

Question 11

life cycle is what?

Answer 11

complex

Question 12

classes under Phylum Platyhelminthes

Answer 12

Turbellaria, Trematoda, Cestoda

Question 13

extremely thin flatworms that live in moist areas

Answer 13

Class Turbellaria

Question 14

through this, the sex of the worm is determined (because worms are hermaphroditic)

Answer 14

penis fencing

Question 15

parasitic flukes (ectoparasite and endoparasite) that are usually found in human organs.

Answer 15

Class Trematoda

Question 16

Class Trematoda’s hosts are ______ during the larvae stage and _______ during the adult stage.

Answer 16

intermediate and definitive

Question 17

segmented endoparasites that are able to regenerate usually found in animals

Answer 17

Class Cestoda