There are just 3 components of nucleotide: nitrogenous base, deoxyribose(sugar) and phosphate group. hope this helps :)
The carbon and oxygen cycles are closely related, because they are directly associated with photosynthesis and respiration processes. Oxygen constitutes about 21% of the atmosphere. In free form, oxygen (O2) is essential for aerobic respiration (eg by animals), where it is returned to the atmosphere as carbon-dioxide.
Collagen Fibers produce tough protein fibers that give bones flexibility and prevent shattering.
Answer: C). Population density
Explanation:
A limiting factor is one which is capable of limiting the population of a species. It can be a abiotic (non-living) factor or biotic (living) factor.
Population density is not a limiting factor as it describes the number of individuals in the population of species living in a particular area.
