Microorganisms!(growing microorganisms) ✨🦠

Question 1

What is a colony?

Answer 1

A colony is when a single cell of bacterium or fungus is left to grow and it divides repeatedly to make a collection of many cells.

Question 2

how does a colony help you too se microorganisms without a microscope?

Answer 2

a single microorganism is too small to see without a microscope, but when left to grow, it forms a colony. These colonies are big enough to see without a microscope.

Question 3

How can growing microorganisms happen safely and what do they need to be?

Answer 3

This can be done safely in the laboratory. Scientists let microorganisms grow in a petri dish containing a special type of jelly called agar jelly. The dish and the jelly need to be sterile.

Question 4

What does it mean that they should be sterile mean?

Answer 4

The dish and jelly need to be sterile, which means they are clean and any living organisms on them have been killed.