Anatomy
Animals
Plants
Earth
100

The organ with the highest fat content.

What is the brain?

100

The largest land mammal.

What is an elephant?

100

The only fruit that bears seeds externally.

What is a strawberry?

100

The only known planet other than Earth that has liquid water.

What is Mars?

200

The muscle that never tires.

What is the heart?
200

The tallest land mammal. 

What is a giraffe?


200

This plant has sulfuric acid in it which waters eyes when cut into. 

What is an onion?

200

The hottest planet in the solar system.

What is venus?

300

The largest bone in the body.

What is the femur?

300

This reptile is able to shoot blood from its eyes to confuse and deter predators.

What is the horned lizard?

300

This tree in the African Savanna can store anywhere from 1,000-120,000 litres of water in its trunk.

What is the baobab tree?

300

A region of space where gravity is so strong that nothing, including light and matter, can escape it. 

What is a black hole?

400

These two parts of the body grow throughout your entire life. 

What are ears and nose?

400

The only known bird that can fly backward.

What is a hummingbird?
400

Herbs are made of this part of the plant.

What are leaves?

400

This member of our solar system is actually shaped more like a lemon than a sphere.

What is the moon?

500

The length of the small and large intestine combined (in feet).

What is 25 feet?

500

The loudest animal in the world.

What is the pistol shrimp?

500
Vanilla flavoring comes from a pod of this flowering plant.

What is an orchid (Vanilla planifolia)? 

500

This comet is only seen once every 75-76 years.

What is Halley's comet?