Competition Student activity Play

Competition among warblers Animation Play

Competition between organisms Animation Play

Competition – 1:1 draw Student activity Play

Compiling the data Student activity Play

Detecting outliers Student activity Play

Development of amphibians Slideshow Play

Developmental stages of the frog Slideshow Play

Differences in size Student activity Play

Discontinuous variation Student activity Play

Discontinuous variation - activity Whiteboard exercise Play

Diversity of angiosperms Slideshow Play

Drawing marbles – a case study with a tree Student activity Play

Drawing marbles – a case study with a tree Whiteboard exercise Play

Drawing tree diagram Whiteboard exercise Play

Ecological succession Student activity Play

Epidermal tissue – structure Student activity Play

Examples of variation within a species Whiteboard exercise Play

Feeding relationships Student activity Play

Feeding relationships Illustration Play

Finding outliers Animation Play

Food web terminology Student activity Play

Grass like a tree Illustration Play

Growth Student activity Play

Gymnosperms Slideshow Play