How does the carbon relate to biomass

Biomass is carbon based and is composed of a mixture of organic molecules containing hydrogen, usually including atoms of oxygen, often nitrogen and also small quantities of other atoms, including alkali, alkaline earth and heavy metals.  These metals are often found in functional molecules such as the porphyrins which include chlorophyll which contains magnesium.

B, the lion population will more likely survive

Explanation:

There are more lions than cheetahs, the cheetahs will die out due to low reproduction