Microorganism

Why are bacteria necessary to life?

• used in nitrogen fixation
• they are decomposers
• they help human digestion
• all of these

Tags

NGSS.MS-LS2-3

Nitrogen-fixing bacteria are important because...

• they are decomposers
• they are salt lovers
• they provide protection for plants from diseases
• they make nitrogen available to plants in form they can use

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

How do bacterium reproduce?

• binary fission
• sexually by the lytic cycle
• releasing spores
• through mitosis

Tags

NGSS.MS-LS3-2

All viruses contain this.

• nucleus and DNA or RNA
• DNA or RNA and protein coat
• protein coat and nucleus
• cell wall and DNA or RNA

Fungi are able to make their own food by photosynthesis.

• True
• False

Tags

NGSS.MS-LS1-6

This microorganism is shaped like a slipper

• Amoeba
• Paramecium
• Euglena
• Volvox

This microorganism has characteristics of both animal and plant.

• Amoeba
• Paramecium
• Euglena
• Volvox

Tags

NGSS.MS-LS4-2

What microorganism makes cheese?

• Fungi
• Virus
• Bacteria
• Algae

Which of the following help bread rise?

• algae
• bacteria
• yeast
• fungi

Tags

NGSS.MS-LS1-7

The diagram shows an animal cell. Which structure controls what enters and exits the cell?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-LS1-2