The circle of life is a wonderful thing, as we found out from Elton John in The Lion King. But what do you really know about the ins and outs of it? How do we get from tiny little eggs into full-grown animals? Take this amazing quiz on animal development to find out right now!
To give the embryo all of its DNA
To provide the embryo with nourishment
To find sperm so that it can create a zygote
True
False
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