The main features of nematodes. How can nematodes be described according to examples of representative species, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?
Examples of representative species: earthworms, leeches, lugworms. fundamental morphology: cylindrical frame, segmented (metameric). kind of symmetry: bilateral. Germ layers and coelom: triploblastic, coelomates. Digestive system: complete. respiratory gadget: cutaneous or branchial. Circulatory system: closed, with hemoglobin. Excretory gadget: a couple of metanephridia in every metamere. frightened system: neural cords, a couple of ganglia in step with metamere, anterior awareness of neurons (primitive mind). sorts of reproduction: sexual, with dioecious and monoecious species.
Get Answers For Free
Most questions answered within 1 hours.