C because we are testing the effectiveness of Fertilizer X and Y and using no fertilizer can help determine if that would be better than using a fertilizer. Additionally, a control group of no fertilizer would be the third plant as that is considered normal for the experiment. Msg me for any more questions
Its some type of arachnid. thats all i know sry.
Phenotype = Observable/Physical characteristics.
Simple because there would be a larger gene pool, more opportunity for variation than a small population which has less of a gene pool and therefore less opportunity for variation.
Seniors can learn from the younger generation to better appreciate the banal moments of the day and be more open to sharing moments, thoughts, or ideas with friends and family, no matter how trivial it might seem.
I believe its aggression?
