Newton’s first law of motion? May be wrong
Spiders have malpighian tubules<span> to absorb salts and wastes while humans have microscopic subunits in the kidneys called </span>nephrons to filter blood. Malpighian tubules<span> remove wastes from insects by producing urine and solid nitrogenous waste, which are then excreted from the body.</span>
Population- members of one species living in a particular area
This branch of science is known as anatomy.
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