Which tree is known as the "world's tallest tree species"?
Redwood
Eucalyptus
Douglas Fir
Baobab
What is the only mammal capable of sustained flight?
Flying Squirrel
Bat
Colugo
Sugar Glider
Which flower is the largest in the world?
Rafflesia
Titan Arum
Sunflower
Lotus
What percentage of Earth's surface is covered by water?
Which gas makes up most of Earth's atmosphere?
Oxygen
Carbon Dioxide
Nitrogen
Argon
How many hearts does an octopus have?
Which planet has the most moons?
Jupiter
Saturn
Uranus
Neptune
What is the largest organ in the human body?
Which element is the most abundant in the universe?
Carbon
Oxygen
Hydrogen
Helium
Which insect is the strongest relative to its size?
Dung Beetle
Ant
Rhinoceros Beetle
Honeybee
What is the only continent without reptiles or snakes?
Australia
Antarctica
Europe
North America