MATCHING Match the Stage of Embryonic Development with Its Description

Q5: In sea urchins, the fertilization envelope forms

Q9: The eggs of birds and reptiles are

Q23: Inside the zona pellucida is a layer

Q33: What is cellular aging and what causes

Q47: Which of the following is not part

Q50: Figure 51-2<br>Use the figure to answer the

Q55: MATCHING<br>Match the stage of embryonic development with

Q63: The percentage of twins being born has

Q70: Embryonic mesoderm forms the:<br>A) epidermis.<br>B) lining of

Q78: In organogenesis, the ectoderm gives rise to:<br>A)