A control group of the experiment is the one in which no treatment or intervention is given. So, in your case, the pea plants in which was not subjected any of the fertilizers, will serve as a control group. This is a negative control. A positive control group is the one in which an established treatment is given, which definitely leads to the production of the desired character. So, in your case, a very good well-known fertilizer which has a positive control on the growth of the pea plant, would serve as a positive control.
C) The mountain lion population would drop below its current level.
The diaphragm ;) it controls breathing. it's what helps your lungs function.
Explanation:
Any process by which plants and other photoautotrophs convert light energy into chemical energy is photosynthesis.
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Answer:
coordinated regulation of a group of genes that encode proteins with a common function.
