Microorganisms Review

Lactobacillus is a microorganism better known as Probiotics. Probiotics are a living bacterium that can help the body absorb nutrients and keep a healthy balance of beneficial bacteria. Conditions like lactose intolerance, eczema, asthma, and irritable bowel syndrome can be treated using probiotics. You can find lactobacillus in Greek yogurt, and it can be taken in tablet form. Lactobacillus may also cause arthritis, bloating, blockage of a lung artery, diseases of the esophagus, heart inflammation, liver infection, skin reactions, stomach cramping, stomach lining inflammation, and stomach rumbling.

(a)  

Harmful microorganisms found in food can cause illnesses such as food poisoning.

• True

• False

Harmful microorganisms ...

• Is used to make cheese and yogurt

• causes diseases

• fights off diseases

• breaks down food in your digestive system

Which Best supports why microorganisms are beneficial to people?

• Many of them can survive extremely harsh conditions.

• Many microorganisms are bacteria and viruses that can be used to treat diseases.

• They are decomposers that help break down waste

• Some microorganisms aide in food growth, production, and digestion.

Which statement below is true about washing your hands frequently?

• Washing your hands frequently prevents spreading harmful microorganisms from one person to another.

• Washing your hands frequently keeps your hands smelling fresh and clean.

• Washing your hands frequently makes your hands soft incase you need to shake hands with someone.

• Washing your hands frequently produces germs that can be passed to others.

Bacteria can be both beneficial and harmful. Which statement below is true about bacteria as a beneficial microorganism? (Select All that Apply)

• It causes diseases

• It helps our digestive system break down food

• It helps the plants absorb nitrogen through its roots

• It helps turn milk into yogurt

It is not a good idea to drink water from the faucet when visiting other cities and countries outside of where you live. Drinking the water from a faucet that you don’t usually drink from can make you ill, because microorganisms in your body are not used to are in the water.

• True

• False

When harmful microorganisms discolors seawater it...

• raises the level of oxygen in the water

• lowers the levels of oxygen in the air

• lowers the level of oxygen in the water

• raises the levels of oxygen in the air

Tags

NGSS.MS-LS2-3

Antibiotics are made to fight against what type of infectious microorganisms?

• carcinogenic

• viral

• bacterial

• pathogenic

Which is true about bacteria as it relates to trees?

• Bacteria breaks down the leaves that fall to release nutrients

• Bacteria develops into new leaves for the trees

• Bacteria provides food for the leaves on the ground

• Bacteria prevents trees from losing leaves

Tags

NGSS.MS-LS2-3