5. A suggested and testable explanation for an event is called a 1. hypothesis
2. variable
3. theory
4. control

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic