Other Excdysozoans(Tardigrada, Onychopora, Nematoda))
Phylums
Liczba opcji na tym kole: 12
- Mouth with protrusiblestylets for feeding
- Some species are known to withstand high pressures, temperature, UV radiation, and can survive in outer space in low Earth orbits
- With external and internal (lining the gut) cuticle
- Modified jaws made from first two appendage surrounds the mouth
- Epidermis composed of syncytial cells
- Subcutaneous hemal channels under the cuticle, serves as the hydroskeleton
- Presence of amphids paired sensory organs on the head
- Parasitize almost all animal and plant groups –even parasitizing other nematodes
- Give some significant disease caused by parasitic Roundworms
- As biocontrol agents against insect pest
- Presence of slime glands
- Third appendages form an oral papilla