Level 10 Level 12
Level 11

Lesson 21


18 words 0 ignored

Ready to learn       Ready to review

Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

All None

Ignore?
dem
Greek root that means "people"
democracy
rule by the "people"
demagogue
popular leader who stirs up people by appealing to their emotions and prejudices
demographics
the study of characteristics of people, such as ages and spending habits
endemic
regularly found among a particular people or locality
epidemic
the spread of a disease so rapidly that many people have it at the same time
epidemiology
a branch of medicine dealing with epidemics, the rapid spread of diseases among people
bio
Greek root that means "life"
biology
the study of "living" things
biochemistry
the science that deals with the chemical processes of living things
biodegradable
able to be broken down by bacteria or other living things
biome
a major ecological system, having its own kind of climate, plants, and animals
biosphere
the region on and surrounding the Earth that can support life
zo
Greek prefix that means "animal"
zoo
a place where "animals" are kept and shown
protozoan
a one-celled organism that is like an animal but is neither an animal nor a plant
zodiac
in astrology, an imaginary circle in space through which the sun, moon, and planets travel in a path
zoology
the study of animals