Key Stage 4 This could be used as to refresh a students ... insects and animals in the specific layers of the rainforest they belong. Students could study the evolution of the Indian elephant ...

Rainforests cover nearly 6% of the Earth's land surface. The Amazon rainforest is around 4 million square miles in size, crossing eight countries and is roughly 28 times bigger than the UK.

Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years ... there are many horizontal layers, which are called strata.