Substrate Concentration I believe
The answer is culinary. Hope this helps.
D Bc I just did it and got it right
They all have these traits: <span>Cellular organization, Reproduction, Metabolism, Homeostasis, Heredity, Response to stimuli, Growth and development, and <span>Adaptation through evolution.</span></span>
D) would be the answer
Why? when using a scientific method you don't want to choose another thing do you?