Invertebrates 7 Flashcards
1
Q
Ecdysozoa
A
All moult (shed)
2
Q
Ecology of Nematoda
A
Marine
Freshwater
Wet soil
Parasites
3
Q
Why are Nematoda important to ecology?
A
Role of decomposition and N.C.
4
Q
Form and Function of Nermatoda
A
Cylindrical bodies
Unsegmented
Covered by tough cuticle - shed cuticle
5
Q
Are Nematoda:
- Acoelomate?
- Coelomate?
- Pseudocoelomate?
A
- Pseudocoelomate
= body cavity is between mesoderm and endoderm
6
Q
What kind of Gut? And the order of digestion? (Nermatoda)
A
Complete digestive gut.
- Mouth
- Muscular pharynx
- Intestine
- Anus
7
Q
Nermatoda’s lack what? And why?
A
Lack resp. And circulatory system.
Nutrients transported in fluid in pseudocoelom.
