Environmental Science Exploration – Day 9

After a brief review of genetics yesterday, today we are studying evolution.  Here are resources that will be helpful during the day:

How many human cells are in the human body?  37.2 trillion! Read more here.

There are 10 times more bacterial cells in your body than human cells!  Read more here.

HHMI Biointeractive: Creating phylogenetic trees from DNA sequences

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