Subphylum Cephalochordate
Atrium opening to outside of body in cephalochordates is called:
anus
excrertopore
atriopore
operculum
atriopore
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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 are also called:
A. lancelets
B. backbone bearing organisms
C. head bearing organism
D. hemimetabolus
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
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