<span>Mitochondria are known as the powerhouses of the cell
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Lipids are water insoluble biomolecules that in the form of phospholipids, play an important part of the cell membrane structure and function.
Answer:
The correct answer would be D. species.
Natural taxon refers to the group of organisms which exists in nature as a consequence of evolution.
In Linnaeus's system, the only natural taxon is "species".
Species refers to the group of organisms in which two organisms of opposite or appropriate genders can produce a viable offspring.
