I believe it is D. More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory.
B.)Ecosystem
A community resides within an ecosystem, a population within a community, and an individual within a population
During the process of cellular respiration, energy is converted and broken down from a monosaccharide of glucose to form energy containing molecules, that facilitate the production of ATP. The energy in the form of glucose is utilized within the cells of the organism, and the organelle responsible for this process, of manufacturing ATP, a usable energy molecule within the cell would be the mitochondria.
<span>Depressants............</span>