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ISLAND BIOGEOGRAPHY and Evolution is an activity about the evolution of three species of lizards on the Canary Islands. It is designed for high school biology students. Its purpose is to demonstrate to students that evolutionary problems are complex, and solutions may involve data from various...
Grade Level   9 10 11 12
Classroom Activities Curricula and Instruction
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"Scientists have good evidence that the earth is very old, approximately four and one-half billion years old. Scientific measurements such as radiometric dating use the natural radioactivity of certain elements found in rocks to help determine their age. Scientists also use direct evidence from...
Grade Level   5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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