Summarize the main points of Darwin's theory. Summarize the major concepts of natural selection.

Explain how natural selection acts as a mechanism of evolution.

Science Practice: Describe how scientific investigations lead to new scientific questions.

2.) insulin is needed to your cells take in sugar from your blood. after you eat a candy bar, will your insulin gene be expressed or repressed? 3.) all cells have the same dna, and they all make the same proteins. true or false? the answers are 2.) expressed3.) false