Every man for themselves, only the strongest will survive through whatever environment they may be put in.
u solve it the same..... right?
on e might have it but the other might not and the disease got inheried
<span>The question says, vertebrates have notochord during early embryonic development. The statement is true. A notochord is a cartilaginous skeletal rod which support the body in all embryonic and some chordate animals. It has essential role in vertebrate development. It is a primitive beginning of the spinal cord.</span><span />