DNA stands for Deoxyribonucleic acid. DNA consists of your chromosomes which is the genetic makeup of your physical and genetic traits.It is a double helix structure that can be analyzed with a highly powered microscope like the electron microscope <span />
This is because the cilia cells are in desperate need of energy. They get this source of energy from the mitochondria. Also, goblet cells have ribosomes because they need proteins and catalysts to function
Genes are partly in chromosomes and partly in DNA.
"survival of the fittest" or just "fitnes"- <span>the ability of an individual to survive and reproduce in its specific environment</span>
The oxygen cycle can be found in all but the geosphere. There's oxygen in the atmosphere, so it has to be there, and the biosphere includes living things, which breathe oxygen, and water (hydrosphere) is made up of partly hydrogen, so there has to be oxygen there as well.
