TLS Online TPP Program

#Question id: 7096


In which portion of the frog's life-cycle would a frog appear most similar to a mammal?

#Unit 5. Developmental Biology
  1. the fertilized eggs of frogs and mammals are similar in size and look nearly identical
  2. a frog blastula is very similar to a mammalian blastocyst
  3. the events of gastrulation in frogs are highly similar to gastrulation and extraembryonic membrane formation in mammals
  4. late in organogenesis, at the phylotypic stage, the body plans of frogs and mammals are remarkably similar