The Evolution of Flight in Birds
Students use cladograms to organize data and make hypotheses about the evolution of flight based upon the evidence provided.

So, What's It Doing Today?
Students will use satellite imagery to obtain information on selected oceanographic parameters in the Gulf Stream and describe short-term variations in selected oceanographic parameters that they have observed in the Gulf Stream. Students will also infer and explain the potential significance of observed oceanographic parameter variations to biological communities.

Where Did They Come From?
students will define and describe biogeographic provinces of hydrothermal vent communities, identify and discuss processes contributing to isolation and species exchange between hydrothermal vent communities, and discuss characteristics which may contribute to the survival of species inhabiting hydrothermal vent communities.

Nowhere to Hide
In an extension activity, students come up with another activity that would demonstrate the process of natural selection. (Reminder: This one used pollution [background color] and different colored bugs.) What other scenario could they create and how would it work (e.g., birds have different beaks depending upon what type of food they eat; cactus finches have long beaks, the ground finch has a short beak, and the tree finch has a parrot-shaped beak).

Evolution and Natural Selection
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