Describe what happens to carbon dioxide and methane over time. How does temperature data compare to changes in these greenhouse gases?

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Explain how organisms could be harmed by high levels of salt from roadways?