1.
What percentage of the Earth's oxygen is produced by the Amazon Rainforest?
Correct Answer
B. 20%
Explanation
The Amazon Rainforest is estimated to produce about 20% of the Earth's oxygen. This significant contribution is due to its vast expanse and dense vegetation, which photosynthesize at a high rate. The Amazon's role as a major oxygen producer underscores its importance in global atmospheric balance and highlights why its preservation is crucial for maintaining Earth's air quality.
2.
Which river runs through the Amazon Rainforest?
Correct Answer
B. Amazon
Explanation
The Amazon River, the largest river in the world by volume, runs through the heart of the Amazon Rainforest. It provides essential water to the forest's ecosystem, supporting a diverse range of aquatic and terrestrial life. The river's extensive basin is critical for agriculture, transportation, and habitat in the region.
3.
What is the dominant climate of the Amazon Rainforest?
Correct Answer
B. Tropical
Explanation
The dominant climate of the Amazon Rainforest is tropical. This classification is characterized by high humidity, heavy rainfall, and relatively stable, warm temperatures year-round. These conditions are ideal for the growth of dense forests and support a high level of biodiversity, making the Amazon one of the most ecologically rich areas on the planet.
4.
Which of these animals is native to the Amazon Rainforest?
Correct Answer
C. Jaguar
Explanation
The Jaguar is native to the Amazon Rainforest and is one of the iconic species of this region. As an apex predator, the jaguar plays a key role in maintaining the ecological balance by regulating other animal populations. Its presence indicates the health of the rainforest ecosystem, as jaguars require large territories and abundant prey.
5.
Approximately how many species of plants are found in the Amazon?
Correct Answer
A. 40,000
Explanation
The Amazon Rainforest is home to approximately 40,000 species of plants, which represents about 10% of the world's known species. This incredible variety makes the Amazon one of the most diverse botanical habitats on Earth. The plethora of plant species supports myriad animal species and contributes to the global biological diversity.
6.
What is the main threat to the Amazon Rainforest?
Correct Answer
B. Deforestation
Explanation
The main threat to the Amazon Rainforest is deforestation. This process is primarily driven by logging, agricultural expansion, and ranching. Deforestation leads to a loss of habitat for millions of species and contributes to global climate change by reducing the number of trees available to absorb carbon dioxide, a major greenhouse gas.
7.
Which indigenous tribe is known for living in the Amazon Rainforest?
Correct Answer
C. Yanomami
Explanation
The Yanomami are one of the largest indigenous tribes living in the Amazon Rainforest, primarily in northern Brazil and southern Venezuela. Their traditional way of life involves hunting, fishing, and slash-and-burn agriculture, which is closely adapted to the ecological conditions of the rainforest. The Yanomami culture is deeply integrated with the Amazon ecosystem, demonstrating a sustainable lifestyle that has persisted for centuries.
8.
What type of ecosystem is the Amazon Rainforest considered?
Correct Answer
C. Rainforest
Explanation
The Amazon Rainforest is considered a rainforest ecosystem, characterized by its high annual rainfall and dense tree canopy. These forests are extremely important for their role in regulating global weather patterns and storing huge amounts of carbon, which helps mitigate climate change.
9.
How many countries does the Amazon Rainforest span?
Correct Answer
A. 9
Explanation
The Amazon Rainforest spans across nine countries: Brazil, Peru, Colombia, Venezuela, Ecuador, Bolivia, Guyana, Suriname, and French Guiana. This extensive reach demonstrates its ecological and geopolitical significance, influencing environmental policies and conservation efforts across the South American continent.
10.
Which of these products is commonly sourced from the Amazon Rainforest?
Correct Answer
A. Rubber
Explanation
Rubber is one of the primary natural resources sourced from the Amazon Rainforest. Historically, the rubber boom in the late 19th and early 20th centuries was centered in this region. Natural rubber from the Amazon is still valued for its superior quality and plays a crucial role in various industries, including automotive and manufacturing.