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Author Question: A sperm fertilizes an ovum by penetrating the ____ a. amniotic membrane b. zona pellucida c. ... (Read 102 times)

melly21297

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on: Aug 6, 2018
A sperm fertilizes an ovum by penetrating the ____
 a. amniotic membrane
  b. zona pellucida
 c. chorionic membrane
  d. fallopian membrane
  e. corpus luteum

Question 2

A(n) ___________________ _ is a substance or an agent in the environment that is injurious to human, animal, or plant life.
 Fill in the blank(s) with correct word


jaaaaaaa

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Reply #1 on: Aug 6, 2018
Answer to Question 1

b

Answer to Question 2

pollutant


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melly21297

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Reply #2 on: Aug 6, 2018
Thank you!


jaaaaaaa

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Reply #3 on: Aug 6, 2018
Always glad to help...


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