Diffusion across the plasma membrane Whiteboard exercise Play

Diffusion and osmosis – passive transport Student activity Play

Diffusion and osmosis – passive transport Whiteboard exercise Play

Diffusion – increase or decrease Whiteboard exercise Play

Digestion Class activity Play

Digestion Whiteboard presentation Play

Digestion and where it occurs Student activity Play

Digestion and where it occurs Whiteboard exercise Play

Digestion in the alimentary canal Illustration Play

Digestion in the stomach of ruminants Animation Play

Digestion of carbohydrates; proteins and lipids Student activity Play

Digestion of carbohydrates; proteins and lipids Whiteboard exercise Play

Digestion of crude oil by bacteria Illustration Play

Digestion of food rich in cellulose Class activity Play

Digestion of food rich in cellulose Whiteboard presentation Play

Digestion of insects by insectivorous plants Illustration Play

Digestion times for different foods Chart Play

Digestive enzymes Whiteboard exercise Play

Digestive enzymes and chemical digestion Whiteboard exercise Play

Digestive enzymes and digestion Student activity Play

Digestive strategies of herbivores Student activity Play

Digestive strategies of herbivores Slideshow Play

Digestive strategies of herbivores Whiteboard exercise Play

Dihybrid crosses and Mendel's second law Student activity Play

Dihybrid crosses and Mendel's second law Whiteboard exercise Play

Dinoflagellates (Dinophyta) Student activity Play

Dinosaur Illustration Play

Dioecism Animation Play

Dioxins – a persistent organic compound Glossary Play

Diploid zygote Illustration Play