<span> refers to the </span>transition<span>from high birth and death rates to lower birth and death rates as a country or region develops from a pre-industrial to an industrialized economic system.
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The primary function of the lymphatic system<span> is to transport </span>lymph<span>, a fluid containing infection-fighting white blood cells, throughout the body. The </span>lymphatic system<span> primarily consists of </span>lymphatic<span> vessels, which are similar to the circulatory </span>system's<span> veins and capillaries.</span>
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The third line of defence against pathogenic invasion is the adaptive immune response, which has two key qualities: It is specific (it can differentiate between specific microorganisms and respond accordingly) It is adaptive (it can produce a heightened response upon re-exposure - in other words, it has memory)
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Explanation:
Stomata: as it allows the diffusion of carbon dioxide in the cell and oxygen out the cell.But it is held together by the guard cell.
Root hair cell:as this absorbs water and mineral ions efficently it does this by increasing surface area to absorb efficently and it ahs lots of mitochondria for the active transport of minerals ions from a dilute solution in the soil to a concentrated solution in the root hair
Xylem:This is spiral rings which are formed in a cell