lab 5

Question 1

phylum namatoda what organisms

Answer 1

round worms- the Ascaris

Question 2

Phylum nematomorpha

Answer 2

horsehair worms

Question 3

phylum rotifera what are they
what subphylum do they have

Answer 3

rotifers
acanthocephala

Question 4

what organisms subclass Acanthocephala

Answer 4

spiny headed worms

Question 5

phylum priapula

Answer 5

penis worms

Question 6

phylum chaetognatha

Answer 6

arrow worms

Question 7

which of the grouspin this lab dont have complete gut

Answer 7

subclass anthocephala and phylum nematomorpha

Question 8

aceolomate

Answer 8

lack fluid filled space

Question 9

pseudoceolomate

Answer 9

only partially lined w mesodermly derived tissues

Question 10

pseudoceolom functino

Answer 10

hydrostatic skeleton

Question 11

smaller forms characteristics

Answer 11

exhibit eutely- fixed # of cells`

Question 12

most are enclosed in a

Answer 12

cuticle

Question 13

what must an organism do it it has a cuticle

Answer 13

moult

Question 14

simple life cycle vs complete life cycle

Answer 14

simple: no intermediate host
comeplete: one or more intermediate hosts

Question 15

what is also present in forms w thick cuticle

Answer 15

longigudinal muscles

Question 16

nematomorph developments

Answer 16

larval stages

Question 17

rotifer’s 3 part body plan

Answer 17

head, trunk, foot, with corona

Question 18

longitudinal bundles

Answer 18

enables movement through undulating

Question 19

dorsal and ventral nerve cords

Answer 19

on lateral lines, motor nerves

Question 20

cilliated corona

Answer 20

used for locomotion or feeding

Question 21

what does acanthocephala and priapula have?

Answer 21

probiscus