when to use esch grap ap Bio

Line graph

Use when showing change over time or continuous data

Example: enzyme activity vs. temperature

Bar graph

Use when comparing different groups or categories

Example: plant growth under different light colors

Scatter plot

Use when showing the relationship between two numerical variables

Example: enzyme concentration vs. reaction rate

Pie chart

Use when showing parts of a whole (percentages)

Example: macromolecule composition of a cell

Histogram

Use when showing the distribution of one variable

Example: frequency of organism sizes in a population

Box-and-whisker plot

Use when comparing data spread and medians across groups

Example: test scores from different classes