Scientific Method Scenario: Use the scientific method to solve the problem.  Label each step as you go.  After getting into your car to leave home, you notice that it will not start.

When atoms have differing numbers of neutrons, we them isotopes.

A community is only made up of one population.

Which subatomic particle(s) are found in the nucleus of an atom?

This organelle is responsible of photosynthesis in plant cells.

How many atoms of sulfur are present?

An atoms can hold 8 electrons in every shell.

Hair, nails and muscle are all examples of which organic compound?

RNA is an example of a carbohydrate.

What is natural selection?  Describe how it has affected the peppered moth species.