Cane toads, rattlesnakes, eagles and kangaroos are ……… coelomates in which the embryonic blastopores become their ………, and their body cavities originate from folding of their embryonic ……….
(a) protostome; mouths; endoderms
(b) deuterostome; anuses; ectoderms
(c) protostome; anuses; ectoderms
(d) deuterostome; mouths; endoderms
(e) deuterostome; anuses; mesoderms
(a) protostome; mouths; endoderms
(b) deuterostome; anuses; ectoderms
(c) protostome; anuses; ectoderms
(d) deuterostome; mouths; endoderms
(e) deuterostome; anuses; mesoderms
-
Cane toads, rattlesnakes, eagles and kangaroos are deutostome [blastopore becomes anus] coelomates in which the embryonic blastopores become their anus, and their body cavities originate from folding of their embryonic mesoderm
Answer is e
Answer is e
-
Seeing as kangaroos and eagles are included and all mammals and birds are deuterostomes, the answer is "e" because they form anus first and the cleavages of the mesoderm become the body cavities.