Subphylum Cephalochordate
Size of smaller cephalochordates is approximately
2 cm long
5 cm long
6 cm long
15 cm long
5 cm long
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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
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
Atrium opening to outside of body in cephalochordates is called:
A. anus
B. excrertopore
C. atriopore
D. operculum
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