Human Body
Animals
Plants
Ecosystems
Miscellaneous
100

An important organ that pumps blood throughout the body.

What is the heart?

100

Birds that eat dead animals.

What are vultures?

100
A part of a plant that protects the plant's seeds and helps the plant reproduce. It is also something we eat.

What is fruit?

100

The driest landscapes on earth. 

What are deserts?

100

Something which all life on earth requires. 

What is water?

200

The part of the body that helps you breathe. 

What are lungs?

200

The only bird that is able to hover in midair. 

What is a hummingbird?

200

These large woody plants often have their age determined by the number of rings in their trunk.

What are trees?

200

An animal that only eats meat. 

What is a carnivore?

200
Not a plant or animal, but some are edible. 

What is fungi?

300

The largest organ in the human body. 

What is skin?

300

Cold blooded creatures that can live on land or in water.

What are amphibians?

300

A part of a plant that allows it to absorp water and dissolved minerals.

What are roots?

300

A warm-blooded vertebrate animal that has hair or fur, feeds its young milk, and (typically) gives birth to live young.

What is a mammal?

300

The molecule that carries all of our genetic information.

What is DNA?

400

Long, tube-like organs that help you digest. 

What are the intestines? 

400

Sea creatures that have no bones, multiple rows of teeth, and are estimated to be over 400 million years old. 

What are sharks?

400

The part of the plant primarily responsible for photosynthesis.

What are leaves?

400

Creatures including bees, butterflies, moths, birds, and bats.

What are pollinators? 

400

The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

What is evolution?

500

Bean shaped organs that filter blood and other fluid in your body.  

What are kidneys? 

500

Large wild cats that never retracts their claws.

What are cheetahs?

500

The procces by which plants turn sunlight into food/energy.

What is photosynthesis? 

500

Semi-aquatic ecosystems which are flooded or saturated with water, either permanently, for years or decades, or only seasonally.

What are wetlands?

500

Microscopic living organisms that have only one cell.

What are bacteria?