Internal and external fertilization both A) produce single-celled zygotes. B) oc

Author Question: Internal and external fertilization both A) produce single-celled zygotes. B) oc (Read 516 times)

go.lag

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Posts: 667

on: Sep 28, 2013

Internal and external fertilization both
A) produce single-celled zygotes.
B) occur only among invertebrates.
C) occur only among terrestrial animals.
D) depend on the use of intromittent copulatory organs.
E) occur only among birds.

coco

Hero Member
Posts: 739

Reply #1 on: Sep 30, 2013

For sure it has to be A Mark as solved once you're done!

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