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 519 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

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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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