Exploring the Tropical Rainforest

What is described as the oldest ecosystem on Earth?

• Tropical rainforest

• Desert

• Mountain ranges

• Ocean

How much of the sunlight is blocked by the canopy in tropical rainforests?

• 90%

• 25%

• 75%

• 50%

Which layer of the rainforest is known for being dark and damp?

• Emergent layer

• Understory

• Canopy

• Forest floor

What type of organisms are primarily found decomposing material on the forest floor?

• Insects

• Mammals

• Bacteria

• Fungi

Which animals are mentioned as living in the canopy of the rainforest?

• Elephants and gorillas

• Deer and squirrels

• Jaguars and tapers

• Spider monkeys and sloths

What is the highest layer of the rainforest where trees can reach up to 70 meters?

• Forest floor

• Understory

• Canopy

• Emergent layer

Which of the following is not typically found on the rainforest floor?

• Butterflies

• Leeches

• Spiders

• Ferns

What percentage of all known plants and animals are home to the tropical rainforest?

• More than half

• About 25%

• Less than 10%

• Around 40%