Tropical Rainforest Biodiversity

What is the term used to describe the variety of plant and animal species in a given area?

• habitat

• species diversity

• biodiversity

• ecosystem

Which layer of the rainforest is characterized by a dense canopy of trees that blocks most of the sunlight?

• understory layer

• canopy layer

• forest floor

• emergent layer

What is the largest rainforest in the world?

• Sahara Desert

• Congo Rainforest

• Great Barrier Reef

• Amazon Rainforest

Which of the following is not a threat to biodiversity in tropical rainforests? a) Deforestation b) Climate change c) Urbanization d) Conservation efforts

• b

• a

• c

• d

What is the process by which plants convert sunlight into energy called?

• chlorophyll

• respiration

• transpiration

• photosynthesis

Which of the following is an example of an animal adaptation in the tropical rainforest? a) Camouflage b) Hibernation c) Migration d) Photosynthesis

• a) Camouflage

• b) Hibernation

• c) Migration

• d) Photosynthesis

What is the term used to describe the different layers of vegetation in a rainforest?

• canopy

• treetop

• forest floor

• understory

Which of the following is a common method used for studying biodiversity in tropical rainforests? a) Satellite imaging b) DNA sequencing c) Fossil analysis d) Weather forecasting

• b) DNA sequencing

• d) Weather forecasting

• c) Fossil analysis

• a) Satellite imaging

What is the main cause of deforestation in tropical rainforests?

• Wildfires

• Human activities

• Natural disasters

• Climate change

Which of the following is a characteristic of tropical rainforests? a) High annual rainfall b) Extreme temperature fluctuations c) Sparse vegetation d) Low humidity

• d

• c

• b

• a