Introduction to Tropical Rainforest

True or False: It always rains in tropical rainforests.

• True

• False

True or False: Tropical rainforests are areas of extremely low biodiversity (biodiversity = variety of animals and plants)

• True

• False

Which of the following statements are true about the location of tropical rainforests?

• They are mostly located close to the equator

• They are all between the Tropics of Cancer and Capricorn

• They are in Asia, Australia, Africa, and South America

• Some are located in Antarctica

Why does it rain a lot in tropical rainforests?

• Because of monsoons

• Because of convection rain

• Because of orographic rain

• Because of typhoons

True or False: The temperature in tropical rainforests are constantly changing.

• True

• False

True or False: It is always warm in tropical rainforests all year round. The average temperature is above 26 degrees Celcius.

• True

• False

This is the second tallest layer in the rainforest. Trees are 20 to 35 meters in height. Tree crowns form a dense and continuous layer.

• Emergent layer

• Shrub layer

• Canopy layer

• Young tree layer

These trees rise above the surrounding trees to compete for the sunlight. They are sparsely distributed.

• Canopy

• Emergent

• Shrubs

• Undergrowth

Here, trees are 10 to 20 meters in height. Some are young trees of the emergent and canopy layers. They have thinner trunks with oval-shaped crowns.

• Emergent layer

• Undergrowth and ground layer

• Shrubs layer

• Young tree layer

Which statement best describes buttress roots?

• These are woody vines that start at ground level and use trees to climb up to the canopy where they spread from tree to tree to get as much light as possible.

• These are plants that grow on other plants.

• These stretch from the ground to two metres or more up the trunk and help to anchor the tree to the ground.