Beneficial Microorganisms

Microorganisms are living things that are too small to be seen without magnification.

• True

• False

Tags

NGSS.MS-LS1-1

Another word used for microorganisms is ...

• Microbe

• mitochondria

• animal

• insect

Microorganisms include bacteria fungi, and viruses found in the air, water, humans and soil.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Bacteria are multi-celled organisms

• True

• False

Tags

NGSS.MS-LS1-1

If you were to grab a handful of soil there would be ______ of bacteria living in it.

• millions

• hundreds

• no

• billions

An example of beneficial bacteria is

• antibiotics

• viruses

• pathogens

• E.coli

What is true about bacteria?

• Bacteria use photosynthesis to make their own food
• Bacteria can only be found in dirt
• Bacteria is always beneficial
• Bacteria can be used to make certain foods

Four students in Mrs. Harper's class make the following observations. Choose which student is correct

• Samerius says that all microorganisms are found in the ocean. Some are helpful, but some are harmful. It's best to shower after swimming at the beach.

• Emily says that all microorganisms are harmful. This is why we must get vaccinations and antibiotics from the doctor.

• Melissa says that some microorganisms are helpful and some are harmful. The best way to protect ourselves from harmful microorganisms is to wash our hands with soap and water.

• Jonathan says it's impossible to become sick from bacteria. Only viruses and fungi can make a person sick. Make sure to sneeze in your elbow to prevent the spread of germs.

Which best describes where you would find microorganisms?

• in ponds, lakes, and oceans.
• in animals, plants, and humans.
• on food that has rotted.
• everywhere around us.

Tags

NGSS.MS-LS2-3

What are three helpful organisms?

• Blood,Ebola, and E.coli

• Yeast for bread, algae for oxygen, mold for penicillin

• Mold, Spit, and Gas

• Athletes Foot, Pink Eye, Strep throat