Science Grade 5

What is the main characteristic of rainforests?

• Cold and dry places
• High temperatures and humidity
• Snow-covered landscapes
• Low levels of rainfall

Which layer of the rainforest receives the least amount of sunlight?

• Forest floor
• Canopy
• Emergent layer
• Understory

What is the main function of the understory layer?

• Blocking sunlight from reaching the forest floor
• Providing protection to animals from predators
• Supporting the growth of climbing plants
• Allowing more sunlight to reach the canopy layer

Which layer of the rainforest contains the majority of the animal species?

• Forest floor
• Canopy
• Emergent layer
• Understory

Which layer of the rainforest houses the tallest trees?

• Forest floor
• Canopy
• Emergent layer
• Understory

Why is camouflage important for animals living in the understory?

• To protect themselves from high temperatures
• To blend in with the dense vegetation
• To catch prey more effectively
• To attract mates during mating season

How do decomposers contribute to the forest floor?

• They trap sunlight and release it to the plants
• They provide food for larger rainforest animals
• They help release nutrients from dead plant and animal matter
• They create a barrier against predators

Where are rainforests typically found?

• Near the North or South Pole
• In desert regions
• On or near the equator
• In mountainous areas

Which layer of the rainforest acts as a roof over the understory and forest floor?

• Forest floor
• Canopy
• Emergent layer
• Understory

Which animals are most likely to be found in the emergent layer?

• Jaguars and gorillas
• Birds and bats
• Tigers and leopards
• Worms and bacteria