super easy
easy
medium
hard
very hard
100

 the condition of being alive

life

100

the amount of something within another thing

→ level

100

to deal with something without problems

 → handle

100

very little or none of something

 → lack of

100

to experience something without a problem

 → tolerate

200

to stop living

→ die

200

another name for an animal

→ creature

200

to make changes to deal with a new situation

→ adapt

200

a gas in the air needed to live

→ oxygen

200

to live very successfully 

→ thrive

300

to cause something to stop living

→ kill

300

to be real or to be there

→ exist

300

difficult and unpleasant

→ harsh

300

many different examples of something

→ variety

300

interesting or unusual in a way worth talking about

→ remarkable

400

what you expect to find or experience

→ normal

400

common, usual, and not surprising

 → typical

400

the surroundings that affect your life

→ environment

400

a force pressing from all directions

→ pressure

400

an organism that lives on another for food

→ parasite

500

the organ in your mouth used for tasting and speaking

→ tongue

500

not seen often; uncommon

 → rare

500

things around you that affect your life

→ condition

500

an animal that feeds its babies with milk

→ mammal

500

very unusual or strange 



→ bizarre