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the fluid that circulates through the lymphatic system. It is similar to blood plasma in composition, but does not contains cells or the large proteins that occur in blood.
is the passing of traits to the offspring from its parents or ancestors. The study of heredity...
to change over a period of time in response to new environmental conditions.
minerals and vitamins that are taken as nutritional supplements to regular food (in the form of...
single-celled algae that have two flagella and are found mainly in seawater but are also common...