nematoda

Question 1

nematoda

Answer 1

roundworms

Question 2

roundworms

Answer 2

most numerous of all animals
slender
unsegmented with tapering ends
some are parasitic

Question 3

how big are roundworms

Answer 3

microscopic to 1 metre

Question 4

where do roundworms live

Answer 4

polar regions to ropic regions free living in soil and aquatic areas

Question 5

how many germ layers do roundworms have

Answer 5

3

Question 6

what kind of coelom do round worms have

Answer 6

pseudocoelom

Question 7

pseudocoelom

Answer 7

body cavity only partially lined with mesodermal tissue

“false coelom”

Question 8

what kind of body plan do round worms have

Answer 8

tube within a tube

Question 9

inner tube of a round worm

Answer 9

digestive tract

Question 10

outer tube of roundworm

Answer 10

body wall

Question 11

how do roundworms eat

Answer 11

grasping mouth parts and spines to catch prey

Question 12

where do roundworms live

Answer 12

soil and aquatic , algae fungi, detrius

Question 13

what do round worms use diffusion for

Answer 13

breathing, excretion they do not have circulation

Question 14

nervous system in round worms

Answer 14

ganglia

Question 15

how do roundworms move

Answer 15

muscles extend through the body using hydrostatic skeleton

Question 16

how do round worms reproduce

Answer 16

sexual reproduction they have seperate genders parasitic worms have more than 1 host

Question 17

types of roundworms

Answer 17

trichinosis causing worms filariel womrs hookworms and ascarid worms

Question 18

trichinisis worms

Answer 18

female burrow into intestinal walls and release egrgs larvae travel into organs and tissues larvae forms a cyst then goes dormant until host is eaten

Question 19

filariel worms

Answer 19

transmitted through bites causes elephant people

Question 20

ascarid worms

Answer 20

causes malnutrition

Question 21

hookworms

Answer 21

eggs hatch in soil and ebter unprotected feet then into bloodstream and lungs