Tropical rainforests Flashcards
What is the definition of a rainforest?
A rainforest is a dense forest rich in biodiversity, characterized by high rainfall and a warm climate.
True or False: Rainforests are found only near the equator.
False
What percentage of the Earth’s surface do rainforests cover?
Approximately 6%
Fill in the blank: The average annual rainfall in rainforests is over _____ millimeters.
2000
What are the two main types of rainforests?
Tropical and temperate rainforests
Which layer of the rainforest is home to the most biodiversity?
The canopy layer
True or False: Rainforests contribute to global oxygen production.
True
What impact does deforestation have on rainforests?
It leads to habitat loss, decreased biodiversity, and increased carbon emissions.
Multiple Choice: Which of the following is a primary threat to rainforests? A) Urbanization B) Overfishing C) Desertification
A) Urbanization
What is the role of rainforests in the carbon cycle?
They act as carbon sinks, absorbing carbon dioxide from the atmosphere.
Fill in the blank: The Amazon rainforest is primarily located in _____ America.
South
What is slash-and-burn agriculture?
A farming technique that involves cutting and burning forests to create fields for agriculture.
True or False: Rainforests are typically located in cold regions.
False
What are some common products derived from rainforests?
Rubber, timber, fruits, and medicinal plants.
Multiple Choice: Which rainforest is the largest in the world? A) Congo B) Amazon C) Southeast Asian
B) Amazon
What is biodiversity?
The variety of life in a particular habitat or ecosystem.
Fill in the blank: The _____ layer of the rainforest receives the least sunlight.
forest floor
What is the purpose of rainforest conservation?
To protect ecosystems, preserve biodiversity, and combat climate change.
True or False: Rainforests can regenerate after being cut down.
True
What is ecotourism?
Responsible travel to natural areas that conserves the environment and improves the well-being of local people.
Multiple Choice: Which of the following is NOT a characteristic of tropical rainforests? A) High biodiversity B) Seasonal rainfall C) Warm temperatures
B) Seasonal rainfall
What are indigenous peoples’ roles in rainforests?
They are stewards of the land, utilizing resources sustainably and preserving cultural knowledge.
Fill in the blank: The _____ is a key component of the rainforest ecosystem, providing habitat and food.
biodiversity
What is the main cause of habitat destruction in rainforests?
Agricultural expansion and logging.
True or False: All rainforest plants are adapted to high moisture levels.
True
What is the significance of the rainforest’s nutrient cycle?
It helps sustain the ecosystem by recycling nutrients through plant and animal interactions.
