Microorganisms
What is a microorganism?
A living thing too small to be viewed by the naked human eye.
Where are bacteria and archaea found?
Everywhere!
How do algae get their nutrition?
The sun (photosynthesis)
What virus is currently affecting us?
COVID-19
What are the three domains of life?
Bacteria, Archaea, and Eukarya
How do we know microorganisms exist?
Microscopes!
True or false: Bacteria/Archaea were the earliest organisms on earth
True!
What do fungi eat?
Dead plants and animals
How do protozoa get their nutrition?
By eating other organisms (like us)
What is the difference between a prokaryotic cell and a eukaryotic cell?
A eukaryotic cell has a nucleus and organelles and a prokaryotic does not
What are the two categories of protists?
Animal-like and plant-like (protozoos y algas)
How do bacteria/archaea move?
A hair-like structure called a flagellum
How do fungi get their nutrition?
Absorption
What does protozoa mean?
What are the four kingdoms of the Eukarya domain?
Plant, animal, protist, and fungi
A student claims that she lives in a clean house where there are no bacteria or microorganisms. Do you think she is correct? Why?
No, she is incorrect because there are microorganisms everywhere, both good and bad.
True or false: Bacteria and archaea are almost always multicellular
How do fungi reproduce?
Spores
Why are viruses different than the other organisms?
Viruses are not considered living because they are not made of cells, do not reproduce on their own, and do not use energy
What type of microorganism caused the Black Death?
Bacteria (Yersinia Pestis)
What are the six types of microorganisms?
Bacteria, Archaea, Fungi, Protozoa, Algae, Viruses,
What are the three main shapes of bacteria?
Spiral, sphere, and rod
Algae are considered plant-like protists. Why are algae not considered plants?
Algae do not have roots, leaves, or a stem
What is the best way to protect yourself from a virus?
Vaccine!
You look through a microscope and see single-celled organisms that do not have nucleus, you can be sure that the organims are:
Bacteria/Archaea