Which of the following is an example of a trait?
1Goldfinches are yellow with black and white wings.
2Sharks have multiple rows of teeth.
3Marco has brown eyes.
4all of the above

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.