When studying organisms, do you think it would be more helpful to compare them
genetically or physically? Why?

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.

Where do homologous chromosomes exchange genetic material through crossing over?               a.  chlorophyll    b.  centrosomes    c.  centromeres    d.  chiasma

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z