Lab 2 Activity Sheet B

Question 1

Phylum platyhelminthes 3 classes

Answer 1

Turbellaria, trematoda, cestoidea

Question 2

Platyhelminthes coelom

Answer 2

aceoelomate

Question 3

Turbellaria and trematoda segmentation

Answer 3

none

Question 4

Cestoidea segmentation

Answer 4

segment-like

Question 5

Platyhelminthes digestive system

Answer 5

blind

Question 6

turbellaria feeding

Answer 6

free living

Question 7

trematoda and cestoidea feeding

Answer 7

parasitic

Question 8

trematoda parasitic adaptations

Answer 8

flattened, organs of attachment, complex life cycle, hermaphroditic and self fertilization when needed

Question 9

cestoidea parasitic adaptations

Answer 9

increased gamete production, cuticle (avoid getting digested), loss of digestive tract, loss of digestive tract, organs of attachment, flattened

Question 10

Phylum/class nematoda coelom

Answer 10

pseudocoelomate

Question 11

Phylum/class nematoda segmentation

Answer 11

none

Question 12

Phylum/class nematoda digestive system

Answer 12

complete

Question 13

Phylum/class nematoda mode of feeding

Answer 13

parasitic

Question 14

Phylum/class nematoda parasitic adaptations

Answer 14

cuticle, large size

Question 15

Phyla Annelida 2 classes

Answer 15

clitallata and polychaeta

Question 16

Class clitallata 2 subclasses

Answer 16

oligochaeta and hirudinea

Question 17

Annelida coelom

Answer 17

eucoelomate

Question 18

Annelida digestive system

Answer 18

complete

Question 19

oligochaeta segmentation

Answer 19

metameric

Question 20

hirudinea segmentation

Answer 20

metameric but secondary loss of septa

Question 21

polychaeta segmentation

Answer 21

metameric

Question 22

oligochaeta mode of feeding

Answer 22

free living

Question 23

hirudinea mode of feeding

Answer 23

parasitic

Question 24

polychaeta mode of feeding

Answer 24

free living

Question 25

Hirudinea parasitic adaptations

Answer 25

organs of attachment