(1) What is "Brown Blood"disease in fish
(2) What is the cause of brown blood disease

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

The variation among individuals, on which natural selection acts

Agram of fat oxidized by cellular respiration produces approximately as much atp as a gram of carbohydrate.