Which question would ask in a dichotomous key

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.

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle