Question

vertebrate embryos develop the same structures at different rates, develop different structures at the same rate, go through the same devolpmental stages at the same rate, go through the same developmental stages at different rates. put a commas
instead of all the spaces

Answer 1

vertebrate, embryos, develop, the, same, structures, at, different, rates, develop, different, structures, at, the, same, rate, go, through, the, same, developmental, stages, at, the, same, rate, go, through, the, same, developmental, stages, at, different, rates.