There are three sources of genetic variation: mutation, gene flow, and sexual reproduction. A mutation is simply a change in the DNA.
This is true. There are a few websites online that talk about how it happens, I suggest looking them up.
The kitchen, because the chloroplast is the site of glucose production. In houses, kitchens are where you make food.
1.A control group is important to an experiment because it allows you to eliminate and isolate those variables.
2. Controlling variables is important because slight variations to the experiment set up could affect the outcome significantly
Hope this helps :)
