This is the Dichotomous Key that Sarah Dixon and I created using the fourteen different algaes in out picture book. It is very important to use one of these when assessing a water body so you can easily tell exactly which algae you are looking at. If you see algae in your water body, you can pick out certain characteristics of it and use a Dichotomous Key to narrow down different algaes until you find the exact algae you see in the water. This key easily speeds up the proses of determining what kind of algae in in a certain body of water.
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