Geography and Climate
The Amazon Rainforest covers approximately what percentage of Brazil's territory?
49%
What is the world's largest rodent, found in the Amazon?
Capybara
What do leafcutter ants grow in underground gardens for food instead of eating the leaves they collect?
Fungus
What human activity is the number one driver of current Amazonian deforestation?
Cattle ranching
How old is Mr. Sumida?
30
What is the average year-round temperature of the Amazon's tropical biome in Celsius?
24.5°C
Which rainforest layer contains the dense roof of leaves and holds approximately 90% of rainforest animal species?
Canopy layer
What type of symbiosis occurs when one species benefits while the other is neither helped nor harmed?
Commensalism
What natural material comes from the rubber tree and is used to make rubber products?
Latex
What is Mr. Sumida's favorite collectibles?
Smiski
What percentage of the world's river flow does the Amazon River discharge?
20%
Which large cat is an apex predator known for having a bite strong enough to pierce turtle shells?
Jaguar
Which bird follows swarming army ants to catch insects fleeing from them?
Antbird
According to the presentation, approximately what percentage of modern medicines are derived from rainforest plants?
25%
Where did Mr. Sumida go for college?
Willamette
What term describes the massive corridors of water vapor that move from the rainforest and help bring rainfall across South America?
Flying rivers
Which unique pink freshwater dolphin is found naturally in the Amazon and Orinoco river basins?
Amazon River dolphin (Boto)
What is the name of the giant tree that depends on agoutis to crack open its dense seed pods?
Brazil nut tree
What is the name of the process in which a rainforest could permanently change into a dry tropical savanna after the water cycle collapses?
Savannization
What was Mr. Sumida's major in college?
Biochemistry
How many nations does the Amazon span?
9 nations
Which distinctive red-faced monkey lives exclusively in white-water flooded forests in Brazil and Peru?
Bald uakari monkey
Which plant begins growing in another tree's canopy, sends roots downward, and may eventually kill its host by taking its light and nutrients?
Strangler fig
Approximately what percentage of the Amazon must be deforested to reach the savannization tipping point?
20–25%
Is Mr. Sumida the best teacher of all time?
Yes he is so amazing! He is super intelligent, kind, caring, and auraful.