What is the difference between the biological term fitness and the common meaning of the common meaning of the world?

Fitness in biology generally refers to an organism's ability to mate & produce healthy offspring whereas the common meaning of fitness refers to factors like physical strength, endurance, etc

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.

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