100 likes | 667 Views
ROUNDWORMS. ORGAN / SIMPLE SYSTEM LEVEL OF ORGANIZATION3 GERM LAYERSBILATERAL SYMMETRYNONSEGMENTEDTUBE TYPE DIGESTIVE TRACTMOUTH AND ANUS. ROUNDWORMS. PSEUDOCOELOMATEHYDROSTATIC SUPPORTNERVE RING W/ DORSAL
E N D
1. PHYLUM NEMATODA ROUNDWORMS
2. ROUNDWORMS ORGAN / SIMPLE SYSTEM LEVEL OF ORGANIZATION
3 GERM LAYERS
BILATERAL SYMMETRY
NONSEGMENTED
TUBE TYPE DIGESTIVE TRACT
MOUTH AND ANUS
3. ROUNDWORMS PSEUDOCOELOMATE
HYDROSTATIC SUPPORT
NERVE RING W/ DORSAL & VENTRAL NERVE CORDS
LONGITUDINAL MUSCLES
DIFFUSION
RESPIRATON
CIRCULATION
4. ROUNDWORMS NO METHOD OF ASEXUAL REPRODUCTION
SEPARATE SEXES - MALES AND FEMALES
5. ROUNDWORMS HABITAT: AQUATIC, TERRESTRIAL
SOME FREE LIVING
SOME PARASITES
CUTICLE
NUTRITION
SCAVENGERS
CARNIVORES
PARASITES
6. ROUNDWORM PARASITES ASCARIS
HOOKWORM - ANCYLOSTOMA
PINWORM - ENTEROBIUS
TRICHINELLA - CAUSES TRICHINOSIS
FILARIA - CAUSES ELEPHANTIASIS
PLANT NEMATODES
7. OTHER EXAMPLES VINEGAR EELS
WHIPWORMS
8. EVOLUTIONARY MILESTONE ONE WAY TUBE GUT W/ 2 OPENINGS
PSEUDOCOELOM
DISTINGUISHABLE SEXES
9. PHYLUM ROTIFERA ELONGATED, CYLINDRICAL BODY
HEAD, TRUNK, FOOT
CILIATED CORONA
TELESCOPIC BODY
PART OF PLANKTON
FOOD SOURCE FOR AQUATIC ORGANISMS