2 characteristics about annelida
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body of animals belonging from this group is long cylinder and metamerrically segmented
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1 level of organisation = organ sysyem
2 symmetry = bilateral
3 germ layer = triploblastic
4 habitat = Free living = earthworm
Ectoparasite = leech
5 habit=solitary and nocturnal (earthworm)
6 body form = segmented
7 coelom= eucoelomate[schizocoelomate]
8 body plan= protostomus
9 digestion= alimentary canal is complete
first time muscular intestine in animal kingdom
10 nutrition= holozoic
11 respiration=cutaneous respiration
ARENICOLA hacve gills for respiration
12 circulation =first time closed circulation appear, blood vessels are present.
earthworm are hermaphrodite
trocophore larvae is present
2 symmetry = bilateral
3 germ layer = triploblastic
4 habitat = Free living = earthworm
Ectoparasite = leech
5 habit=solitary and nocturnal (earthworm)
6 body form = segmented
7 coelom= eucoelomate[schizocoelomate]
8 body plan= protostomus
9 digestion= alimentary canal is complete
first time muscular intestine in animal kingdom
10 nutrition= holozoic
11 respiration=cutaneous respiration
ARENICOLA hacve gills for respiration
12 circulation =first time closed circulation appear, blood vessels are present.
earthworm are hermaphrodite
trocophore larvae is present
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