earthworm Flashcards
how many segments
100—120
how many types of segments
1-13– pre clitteliar
14–16– clitellar
17–last – post clitellar
dorsaal spores are found in
on dorsal side of 13–last
spermathecal apperture found in
ventral side of -5-6,,6-7,,8,,9,,
female genital pore
ventral —14th segment
male gennital pore
ventrolateral in position –18th segmnet
locomotary structure
setae
location of mouth
ventral
the dark line on the dorsal line
dorsal blood vessel
how many pairs of heart
4
mouth segment no
1
buccal cavity
1–3
muscular pharyns
4th
oesophagus
5–7
gizzard
8th
stomach has what glands
claciferous(nutrlise the fumic acid)
stomach
9th –14th
intestine
15 th –last
parts of intestine
3
post
36th till end
typholosole
increase the surface area
intestinal caeca
produce digestive juice