Cycling Through Controversy

If you carefully observe populations with short life cycles, you can observe natural selection happening. The video explains what natural selection is, how scientists theorized it, and how science proves the concept. It highlights the...

This project provides students the opportunity to investigate parasites as a possible cause of the observed frog deformities. It asks students to view web-based evidence and interpret whether it supports the parasite hypothesis. Students...

Students note how given traits could be achieved by selective breeding and by transgenesis. They identify different uses of GEO. Students recognize that the use of letters (Bt) before an organism's name means that the organism has had a...