a small living thing seen only with a microscope

smallest part of an animal or plant that can function independently

causing someone to understand that they are not as important or special as they thought

approximate

consisting of only one cell

to form; to compose

beast; ugly creature; someone or something that is abnormally large and powerful

a tube in the body through which food passes when it has left the stomach

a large number

a subdivision of a species

clearly

the pattern of curved lines on the end of a finger or thumb that is different in every person, or a mark left by this pattern

all the living things in a particular region and the complex way they affect each other and the environment

part of Earth in which life exists including land, water, and air or atmosphere

inside

Plan of action; purpose

as a group

a group of plant or animals that can breed with each other

to move toward something

to break up food into substances that the body can use

a microbe in the intestine

internal functions

A relationship in which two different organisms live in close association with each other

(v.) to examine, investigate thoroughly; (n.) an investigation; a device used to explore or examine

a group of foreign bodies or lifeforms

remedy

to cause sth to function in a particular way

the condition of being overweight

the state of being healthy

a result; the effect of an action

the natural home or environment of an animal, plant, or other organism.

a benefit or advantage

very serious; grave

affluence

significant

to make sth greater

necessary or essential to life

pressing, imperative, exigent