Subphylum Cephalochordate
Cephalochordates are also called:
lancelets
backbone bearing organisms
head bearing organism
hemimetabolus
lancelets
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Cephalochordates lack aA. liver
B. true heart
C. kidney
D. tail
How many numbers of species are included in cephalochordates?
A. 42 species
B. 44 species
C. 45 species
D. 48 species
Size of smaller cephalochordates is approximately
A. 2 cm long
B. 5 cm long
C. 6 cm long
D. 15 cm long
Cephalochordates include
A. 3 genera
B. 2 genera
C. 5 genera
D. 6 genera
Cephalochordates have a reduced coelom as compared to other
A. animals
B. chordates
C. annelid
D. platyhelminthes
Atrium opening to outside of body in cephalochordates is called:
A. anus
B. excrertopore
C. atriopore
D. operculum
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