Acoelomates have several disadvantages. They do not have any protective covering for their organs, no place for diffusion, and several other things. Psuedocoelomates have a fake coelom, or a coelom that was lost during evolution or mutation.
No, annelids are coelomates not pseudocoelomates. They do not contain a fluid filled cavity between the mesoderm and the endoderm. However, they contain a fluid filled cavity(coelom) between the outer body wall and the gut (ectoderm and ectoderm).
Yes, roundworms are pseudocoelomates.
yes
Nematoda
yes they do.
wriggling in stomach
segmented have lines in them and non dont.
Worms are classified under helminthes. They can be further sub classified into flat worms or Platyhelminthes, Round worms or Aschelminthes, Tape worms or Cestodans. Worms are also classified based on the life style, shape etc. into hook worm, pin worm etc.
round worms are round and flat worms are flat!
Round worms are nematoda, which are, mostly, parasitic worms. A round worm is also called a Guinea worm.
Round worms, segmented worms, and flat worms
flat worms,segmented worms, and round worms.
No
· They are also known as round worms. · They are triploblastic, bilateral, vermiform and pseudocoelomate · They have bodies that are covered in cuticles, which must be molted. · They have Amphids which are cephalic sense organs · Sense organs and sex lips surround their mouths. · They have a unique excretory system but no special circulatory or gas exchange systems. · They are gonochoristic.
1. Round Worms 2. Flat Worms 3. Segmented Worms
Round Worms.
It's belong to the phylum: NEMATODA . some examples for round worms : _Ascrais _Necator americans .
(it would be false to say that all flatworms are parasitic--the idiot that wrote that wasn't so smart, so I had to change that-- because the PLANARIAN-for example, is flatworm and that is a harmless little critter) ~round worms are ROUND ~flat worms are FLAT ~Round worms have 2 body openings (mouth & anus) *random fact: 1/2 of all roundworms are PARASITIC, and 50 species affect humans**
in the subway
NEMATOLOGY