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