A is the answer. You would need soil with different amounts- including no amount- to determine how the fertilizer affects the plants
Since you are measuring the height a ruler would be a good idea as well.
Bacteria transferring DNA with a bacteriophage and bacteria taking
DNA from their environment both best describe transduction in
bacteria.
Answer:
Throughout the years, mice' DNA has mutated and adapted to become more likely to survive in the habitat that they are in.
Explanation: