Population and nutrients, This is because if you have a large population then you must need a certain amount of nutrients to suit the population
Blood first enters the heart's right atrium. A muscle contraction forces the blood through the tricuspid valve into the right ventricle. When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs
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There are many methods to directly measure biomass of herbaceous plants, but, it is difficult to estimate biomass of shrubs and trees. Peak standing crop may be difficult to measure in ecosystems with a large variety of species because each species will generally reach it's peak phytomass at a different time of year.
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A congenital disorder is a medical condition that is present at or before birth. These conditions, also referred to as birth defects, can be acquired during the fetal stage of development or from the genetic make up of the parents.
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