Invertebrates (and higher animals<>can be placed<>$$$two groups<>based<>on how they develop as embryos$$$they<>develop<>
In this procedure, one or two cells can be removed from an IVF embryo at the 8- to 16- cell stage for biopsy, without affecting subsequent development of the embryo.
Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as embryos.
Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as what?