Evolution Case Studies
Is natural selection occurring in these situations? Examine the evidence, make a claim and support your argument.
Is natural selection occurring in these situations? Examine the evidence, make a claim and support your argument.
Is natural selection occurring in the red-bellied black snakes? Why do red-bellied black snakes have smaller heads today than in 1935?
Bighorn Sheep
Bighorn Sheep
Is natural selection occurring in the bighorn sheep population? Why have the horns of bighorn sheep become smaller in the last 25 years?