1. Where is the northernmost rainforest in the world? China Alaska Northern Africa Indonesia

2. In one common classification system, there are four "layers" comprising tropical rainforests. Which of these is home to the greatest number of species (including plants, insects and animals)? Floor layer Understory layer Canopy layer Emergent layer

3. Which US National Forest is a rainforest? Columbia River National Forest Choctawhatchee National Forest Deschutes National Forest Tongass National Forest

4. Rainforests contain a high number of plants that contain substances classified as "alkaloids". What are they? Plants that contain nitrogenous substances that are useful in making medicines Plants that could be developed into commercial food crops in the rainforest climate Plants with exotic and showy flowers, orchids and epiphytes for example Plants that hold water and help to maintain the high humidity needed for the rainforest to flourish

5. Of all the rainforest regions in the world, which are thought to have been in existence the longest? The Southeast Asian rainforests The South American rainforests The North American rainforests The African rainforests

6. Which rainforest is the most diverse in terms of climate? The Amazon rainforest in South America The African rainforest in Cameroon The Asian rainforest in Indonesia The Australian rainforest in Queensland

7. Which of the world's rainforests covers the most area? Australian Amazon African Asian

8. What conditions are the determinants of whether an area is classified as a rainforest or not? Average daily humidity and soil water retention figures Annual rainfall amounts only Annual rainfall amounts and average temperature. Average temperature, annual rainfall, and average humidity all factor in.

9. Of the following, which does NOT grow in a tropical rainforest? apples yams cinnamon lemons

10. It's easy to forget that rainforests are home to people, not just plants and animals. What tribe lives in rainforests of South America? the Pygmies the Inuits the Huli the Yanomami