Phylum Chordata
Unique characteristic of chordates is presence of:
endopodite
endocuticle
endostyle
tail
endostyle
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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
A supportive rod that extends dorsally in animals to body cavity into tail is called:
A. backbone
B. vertebrae
C. notochord
D. chord
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