Using an interactive whiteboard, highlight in the interactive Tree of Live some of the major evolutionary developments that took place. Encourage students to see how the different configurations of the interactive can be used to help them work out what is happening at different junctures. Select one or two living things and click on the text, images, rotating video and web links.
Ask students to use the interactive and other reference sources to work through the accompanying worksheet titled ‘Highlighting Important Stages in Evolution’.
ANSWERS TO QUESTIONS
Which area of biology now offers the evidence that confirms what Darwin stated 150 years, namely, that all life is related? Genetics and molecular biology.
THE APPEARANCE OF THE EARLIEST ANIMALS
(a) Identify which significant events in the early stages of life are depicted here in stages A–E.