Question

Is notochord presnt in osteichthyes ??

Answer 1

Answer:The NOTOCHORD is replaced by cartilaginous or bony vertebral column in the ADULT in [SUB-PHYLUM - VERTEBRATA OR CRANIATA], thus we say all vertebrates are chordates but all chordates are not vertebrates. Beside the basic chordate characters, vertebrates have a ventral muscular heart with two, three or four chamber.

Explanation:

Answer 2

Answer:

Osteichthytes are bony fishes

this fishes have notochord in some ages of development

but unlike chordates they never have any bony backbone

hope it helps u