The structural unit of compact bone is called an osteon, or sometimes referred to as a Haversian system. Compact bone is made up of many osteons
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The scarcity of natural examples is due to the fact that there are population controls due to a limiting amount of resources such as food, light, shelter, water as well as to factors such as predation, climatic change, and disease.
The endomembrane system has the different membranes that are suspended in the cytoplasm within a eukaryotic cell. The membranes divide the cell into functional and structural compartments, or organelles.
Only certain species ofmosquitoes of the Anopheles genus—and only females of those species—can transmitmalaria. Malaria is caused by a one-celled parasite called a Plasmodium. Female Anopheles mosquitoespick up the parasite from infected people when they bite to obtain blood needed to nurture their eggs.
