Is energy in fossil fuels is derived from the energy stored in plants and animal matter?

How and why organisms are hierarchically classifies

What do we call an individual that has inherited two identical alleles for the same trait? a. homozygous b. heterozygous c. monozzygous

Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the carry sticks based on the category they describe