1)Earth is estimated to be approximately
4.6 billion years ago
4-5 thousand years old
the same age as the first prokaryotes
65 million years old
2)Life on eath started
4.6 billion years ago
4-5 thousand years old
the same age as the first prokaryotes
65 million years old
3) which of the following stement decribes what all menbers of population share?
They are geographically isolated from one another
They are members of the same species
They have identical genes
They are temporally isolated from one another
4)During their early stages of development the embryos of reptiles birds and mammals look very similar.this suggest that bird and mamals
are no longer undergoing evolution
have undergone parallel evolution
live in the same types of environments
have a common ancestor
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Solved in 3 steps
