Tracey was learning about structural organization in animals. What level of structural
organization BEST describes an egg?
A. a cell
B. a tissue
C. a system
D. an organ

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier