Chapter 33 Question 1

By: Answerout


Chapter 33 Question 1 Part C - Differences in development between protostomes and deuterostomes Many animals can be categorized as either protostomes and deuterostomes based on certain features of their embryonic development. Determine whether each of the following terms applies to only protostomes, only deuterostomes, both protostomes and deuterostomes, or neither. Drag each item to the appropriate bin. To review protostome and deuterostome characteristics, see the Hints.

The Correct Answer is

Protosome: Mouth from blastosphere; Spiral, determinate cleavage; coelum from solid masses of mesodermDeuterostome: Anus from blastosphere; radial, indeterminate cleavage; coelum from folds of archenteronBoth: TripoblastNeither: Diploblast

Reason Explained

Protosome: Mouth from blastosphere; Spiral, determinate cleavage; coelum from solid masses of mesodermDeuterostome: Anus from blastosphere; radial, indeterminate cleavage; coelum from folds of archenteronBoth: TripoblastNeither: Diploblast is correct for Chapter 33 Question 1

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