Animals
Misc.
Trees
Climate Change
100

What is the biggest animal?

Blue whale

100

How many bones do sharks have?

0

100

How many trees are in the world?

3.04 trillion
100

What causes climate change?

the releasing of greenhouses gases into the atmosphere

200

How many hearts does an octopus have?

3

200

What percent of water on earth is safe for human consumption?

1%

200

How can you tell the age of a tree?

Counting the rings of a stump
200

What is the largest contributor to greenhouse gas emissions?

Burning of fossil fuels

300

What is the loudest animal on earth? 

Sperm whale

300

What percent of plant species are at risk of extinction?

40%

300

How old is the oldest tree?

around 5,000 years old

300

What has been the hottest year on record?

2024

400

What kind of animal (mammals, reptiles, etc) has the largest population size on earth?

Insects

400

What percent of all life on earth lives underground?

over 50%

400

How many trees does it take to offset the annual emissions of one person?

450+ (mature) trees

400

How many inches has the global sea level risen in the past century?

6-9 inches

500

What is the most deadly animal on earth? 

Mosquito 

500

How many calories are in one ant?

1/250th of a calorie

500

How do trees "communicate" (share nutrients and send chemical warnings)? 

Through underground fungal networks

500

How many tons of ice does the planet lose each year?

1.2 trillion

M
e
n
u