Which of the following illustrates viviparity?

a. A mare gives birth to a live colt
b. A snake lays an egg right before it hatches
c. A chicken lays an undeveloped egg
d. A frog’s eggs are fertilized outside the body


a. A mare gives birth to a live colt

A mare gives birth to a live colt illustrates viviparity.

Biology & Microbiology

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