Other Excdysozoans(Tardigrada, Onychopora, Nematoda))

Vòng quay này có gì (12 lựa chọn)

• 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