They are correct i believe
In meiosis one, homologous chromosomes only separate resulting in two cells. In meiosis II, the cells divide further, separating sister chromatids and resulting in four cells. So the cells are just even smaller with less chromosomes in each one.
You didn't really provide the required table. But as a general hint, you should look at the differences between the two groups and then you can see what were the differences in amount of weight gained, amount of body fat, as well as the composition of the microbial community.
C. because stimuli is how your body responds to something, and in this case, someone's heart rate increases WHEN their blood oxygen drop. Do you see how it responds? ;-)
C)Bones Surround And Protect The Lungs
