Your instructor has asked you to provide evidence of the common ancestry of animals found in the animal body plan. Which of the following statements accurately provides this evidence? Check all that apply.
Check All That Apply
All animals develop a blastopore but some animals then undergo regression of the blastopore.
All animals develop a blastopore but some animals then undergo regression of the blastopore.
a. Animals from both the protostome and the deuterostome lineages can have a coelom, this is an example of a convergent evolution.
b. Animals from both the protostome and the deuterostome lineages can have a coelom, this is an example of a convergent evolution.
c. All animals develop a blastopore prior to gastrulation.
d. All animals develop a blastopore prior to gastrulation.
e. Protostomes undergo spiral cleavage whereas deuterostomes undergo radial cleavage.
