Many organisms are _____ - so small they cannot be seen with the naked eye

Even though they are both too small to see, _____ are much bigger than molecules

Tags

NGSS.MS-LS1-1

All living things are made of _____. This means that if something has one or more _____, then it is living.

• cells

• water

• molecules

Tags

NGSS.MS-LS1-1

The human microbiome contains ~100 thousand microorganisms. Most are bacteria.

• True

• False

What does the body provide for bacteria to survive?

• food and space

• waste (for example, poop)

• blood (they drink blood)

• protection

A healthy microbiome has various helpful types of bacteria.

• True

• False

Tags

NGSS.HS-LS2-6

An infection of _____ bacteria in the human microbiome can make a person sick.

• harmful

• helpful

• microscopic

Antibiotics reduce only the number of harmful bacteria in the body.

• True

• False

Tags

NGSS.HS-LS4-5

Living things with fewer than normal helpful bacteria in their gut... (Choose all that apply!)

• can become easily infected

• are the same as those with normal helpful bacteria

• have more food and space available for harmful bacteria

• have no food or space for harmful bacteria

Tags

NGSS.HS-LS1-3