Locomotion in earthworms is dirctly facilitated by:
A.Mucus secreted by epidermis
B.Segmentation of body
C.Rhythmic contractions of body segments
D.Setae only
A.Mucus secreted by epidermis
B.Segmentation of body
C.Rhythmic contractions of body segments
D.Setae only
A.Soil
B.Blood from man and attles
C.Flesh
D.None of these
A.Only one opening the mouth
B.Only one opening the anus
C.Both mouth and anus
D.No openings
A.Porifera
B.Cnidaria
C.Annelida
D.None of these
A.Earthworm
B.Cockroach
C.Both of these
D.None of these
A.Feeding
B.Excretion
C.Respriation
D.Locomotion
A.Alimentary canal
B.Blood
C.Nerve cord
D.Coelomic fluid
A.Sponges
B.Cnidarians
C.Annelids
D.None of these
A.18
B.17
C.16
D.15
A.Circular muscle layer
B.Gastric epithelium
C.Cuticle
D.Coelomic epithelium