Producers – consumers – decomposers Simulation Play

Producers – consumers – decomposers Student activity Play

Pyramids of numbers Student activity Play

Statements about the importance of chemical reactions Whiteboard exercise Play

Structural adaptations; mode of feeding and type of food Slideshow Play

Structural adaptations; mode of feeding and type of food Student activity Play

The importance of chemical reactions Student activity Play

The one-way flow of energy Student activity Play

Three types of chemical reaction Student activity Play

Trees Slideshow Play

Types of food and the structure of the alimentary canal Student activity Play