Development of vegetative organs Slideshow Play

Developmental stages of seed plants Student activity Play

Differences between cell division in animal and plant cells Student activity Play

Differences between cell division in animal and plant cells Whiteboard exercise Play

Different modes of reproduction in invertebrates Slideshow Play

Different types of chemical energy Slideshow Play

Different types of immunity Student activity Play

Differentiated cells – erythrocytes Student activity Play

Dioxins Student activity Play

Distribution of stomata in different types of plant Slideshow Play

Diversity of angiosperms Slideshow Play

Dry plant mass Illustration Play

Elements of Group 17 Student activity Play

Energy as an essential factor in muscle contraction Student activity Play

Energy expenditure and loss in heterotrophs Student activity Play

Energy expenditure and loss in heterotrophs Illustration Play

Energy expenditure during the processes of synthesis Whiteboard exercise Play

Energy from respiration Whiteboard exercise Play

Energy from respiration Student activity Play

Energy input and energy output Animation Play

Energy necessary for muscles to work Animation Play

Energy sources and cell respiration Student activity Play

Energy sources and cell respiration Whiteboard exercise Play

Energy transfer Student activity Play

Environmental factors necessary for germination Student activity Play