Phylum Nemotoda Flashcards
1
Q
Common name
A
Round worms
“Thread”
2
Q
Symmetry
A
Bilateral
Triploblastic
3
Q
Coelom
A
Pseudocoelom
4
Q
Segmentation
A
Unsegmented
5
Q
Organ systems
A
Complete digestive system
Excretory system
Nervous system (nerve ring)
6
Q
Habitat
A
Marine
Freshwater
Soil (important for soil)
7
Q
Reproduction
A
Monoecious and dioecious
8
Q
Physical characteristics
A
Longitudinal muscles
Muscular pharynx
9
Q
Examples
A
1) Ascaris: Infects many humans. Feces
2) Filal worms: block lymphatic system. Elephantiasis. Mosquitoes
3) Heartworm: canine heart damage. Mosquito
46 Crassus: eel swim bladder affect buoyancy. Catadromy and nfective