I think you forgot to give the options related to the question. So it becomes a bit hard to answer the question perfectly, still i would do my best and hope that it comes to your help. Prior to the ideas presented by Charles Darwin concerning evolution, several alternating theories had been developed and they included all but the DNA differences within a species lead to some individuals being better able to survive. This theory was developed after Darwin came up with his theory..
One way to tell is to use nutrient density. Nutrient-dense foods contain high levels of essential nutrients per calorie; foods low in nutrient density contain few nutrients per calorie.
Organelles, cells, tissues, organs, organ systems, organism
If this is what you mean.
The hilum serves as the passageway for nerves and vessels
Answer:
It is made of matter and contains twenty-four molecules.
