B. Mitochondrion is responsible for cellular respiration
If student’s data does not support her hypothesis, then the next MAJOR step would be to "<span>change the hypothesis" although more trials should be done first. </span>
1. gamete
2. Genes, DNA, Chromosomes, Nucleus
3. Chromosomes are found in many places in the cell
A Butterfly has Four Stages
A exist naturally because I don't know I figured it out you're welcome