tropical rainforests- B Flashcards
(27 cards)
What are the primary layers of a tropical rainforest?
The primary layers are the forest floor, understory, canopy, and emergent layer.
True or False: Tropical rainforests are located only near the equator.
True.
What percentage of the Earth’s surface do tropical rainforests cover?
Approximately 6%.
Fill in the blank: The average annual rainfall in tropical rainforests is over _____ inches.
80 inches.
Name one major cause of deforestation in tropical rainforests.
Agricultural expansion.
What impact does deforestation have on biodiversity?
It leads to habitat loss and a decline in species diversity.
Multiple Choice: Which of the following is NOT a layer of a tropical rainforest? A) Canopy B) Tundra C) Forest Floor D) Emergent Layer
B) Tundra.
What is the role of the canopy layer in a tropical rainforest?
It acts as a roof for the forest, providing habitat and regulating sunlight and moisture.
True or False: Deforestation can contribute to climate change.
True.
What is the primary reason for the high levels of biodiversity in tropical rainforests?
The complex structure and microclimates within the forest.
Fill in the blank: The emergent layer of a rainforest consists of trees that grow above the _____ layer.
Canopy.
Name one consequence of soil erosion caused by deforestation.
Decreased soil fertility.
Multiple Choice: What is a sustainable practice that can help reduce deforestation? A) Slash-and-burn agriculture B) Sustainable logging C) Urban expansion D) Monoculture farming
B) Sustainable logging.
What type of climate do tropical rainforests typically have?
Warm and humid.
True or False: Tropical rainforests are home to more than half of the world’s plant and animal species.
True.
What is one major impact of deforestation on the water cycle?
It disrupts precipitation patterns.
Fill in the blank: The understory layer is characterized by _____ light availability.
Low.
What role do trees play in carbon sequestration in tropical rainforests?
They absorb carbon dioxide from the atmosphere.
Multiple Choice: Which of the following is a benefit of tropical rainforests? A) Timber production B) Carbon storage C) Medicinal resources D) All of the above
D) All of the above.
What is the term for the practice of clearing forest land for agriculture?
Deforestation.
True or False: Indigenous peoples often depend on tropical rainforests for their livelihoods.
True.
Name one method of reforestation.
Planting native tree species.
What is the significance of epiphytes in a tropical rainforest?
They grow on other plants and help absorb moisture and nutrients.
Fill in the blank: The rich diversity of species in tropical rainforests is often referred to as _____ diversity.
Biodiversity.