Phylum Chordata
A supportive rod that extends dorsally in animals to body cavity into tail is called:
backbone
vertebrae
notochord
chord
notochord
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Members of phylum Chordata are:A. radially symmetrical
B. bilateral symmetry
C. one plane
D. dorsoventral
Identified number of species belonging to phylum Chordata is:
A. 45000
B. 42000
C. 59000
D. 75000
Unique characteristic of chordates is presence of:
A. endopodite
B. endocuticle
C. endostyle
D. tail
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