Biomes
Which biome covers the largest area of Earth’s land surface?
Desert
Which big cat is often called the “king of the jungle” and preys on zebras?
Lion
Which hoofed mammal moves in massive herds across East Africa following the rains?
Wildebeest
Which ecosystem is nicknamed the “lungs of the Earth” for producing over 20 % of the planet’s oxygen?
Amazon Rainforest
Roughly how many insect species are estimated to exist worldwide?
1 million
Which biome supports huge herds of grazing animals like zebras and wildebeest?
Savanna
On average, how many rodents does an adult barn owl eat in one year?
2,000
Approximately how many miles do gray whales travel round-trip each year?
~10,000 miles
Oceans cover roughly what percentage of Earth’s surface?
71%
Approximately how many shark species are known to science?
500
In which cold biome would you find permafrost and only low‐growing shrubs?
Tundra
In which U.S. national park do gray wolves famously hunt herds of elk?
Yellowstone National Park
What colorful insect completes a multi-generation migration to central Mexico each winter?
Monarch Butterfly
Which Australian reef is the world’s largest coral-reef ecosystem?
Great Barrier Reef
Which U.S. national park contains the highest number of flowering-plant species (over 1 650)?
Great Smoky Mountains National Park
Which biome is characterized by trees that shed their leaves every autumn?
Forest
A cheetah can sprint at top speed for only about how many seconds before it must slow down?
30 seconds
After crossing the Gulf nonstop, which U.S. state do many migratory birds first land in?
Florida
How many recognized oceans are there on Earth?
5 oceans
Which country hosts the greatest number of bird species, with roughly 1 900 recorded?
Colombia
Which lush, often mist‐shrouded forest biome occurs along coastlines with heavy rainfall?
Temperate rainforest
In which African country is the Serengeti located, where lions prey on the annual wildebeest migration?
Tanzania
Which fish migrates from the ocean into rivers like the Columbia to spawn?
Salmon
Which large U.S. bay is known for its productive estuarine ecosystem and blue-crab fisheries?
Chesapeake Bay
Which island nation is home to around 14 000 plant species, many found nowhere else?