Tiny organisms that are made of a single cell

(a)  

The tiny structures that make up all living things and are the smallest units able to perform life functions.

(a)  

A proposed answer to a question about the natural world

(a)  

Information about the natural world that is used to support or go against (refute) a claim

(a)  

Sickness caused by harmful microorganisms

(a)  

All of the microorganisms that live in a particular environment, such as a human body

(a)  

An organism that is too small to be seen with the naked eye

(a)  

Too small to be seen with the naked eye

(a)  

Living things, such as plants, animals, and bacteria

(a)  

The process of making clear how your evidence supports your claim

(a)  

The relative size of things

(a)  

A claim supported by evidence

(a)  

Too small to be seen with the naked eye

(a)  

An organism that is too small to be seen with the naked eye

(a)  

tiny organisms that are made of a single cell

(a)  

Living things, such as plants, animals, and bacteria

(a)  

the tiny structures that make up all living things and are the smallest units able to perform life functions

(a)  

all of the microorganisms that live in a particular environment, such as a human body

(a)  

medicines that kill microorganisms, especially bacteria

(a)