Chapter 4

Question 1

Where are prokaryotes found?

Answer 1

Everywhere

Question 2

Amensalism

Answer 2

Type of symbiosis in which one population harms the other but remains unaffected itself

Question 3

Mutualism

Answer 3

Both species are mutually benefitted

Question 4

Commensalism

Answer 4

One benefits and the other is neither benefitted or harmed

Question 5

What is the microbiome?

Answer 5

The collection of all microbes that naturally live on our bodies and inside of us.

Question 6

Acellular

Answer 6

not consisting of cells

Question 7

Pathogens

Answer 7

microbes that cause disease

Question 8

Parasitism

Answer 8

A type of symbiotic relationship that hurts the host. One benefit

Question 9

Normal microbiota

Answer 9

bacteria, viruses archaea, and eukaryotic microbes that live in or on the human

Question 10

Biofilms

Answer 10

Sticky microbial communities made up of single or diverse species; they allow microbes to
coordinate responses within an environment

Question 11

Prions

Answer 11

Infectious misfolded proteins that can cause a disease such as transmissible spongiform
encephalopathies; prions are transmitted by transplant or ingestion; some prion diseases are inherited