Spontaneous generation is still a valid theory. The bacteria in the broth came from the broth itself. Spontaneous generation is incorrect. Only life can beget life. Microbes can be found in the air.
Spontaneous generation is still a valid theory. The bacteria in the broth came from the broth itself. Spontaneous generation is incorrect. Only life can beget life. Microbes can be found in the air.
Chapter11: Health Of Aquatic Animals
Section: Chapter Questions
Problem 5KA
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![Microorganiems from
air setle in bend.
Air escapes from
open end of flask.
Years
Hours/days
2 Broth allowed
to cool slowly
air enters.
3 Broth stays sterile
indefinitely.
4 Flask tiltod so that
the sterile broth comes
in contact with micro-
organisms from air.
Broth sterilized-
air escapes.
Bacteria multiply
In broth.
Spontaneous generation is still a valid theory. The
bacteria in the broth came from the broth itself.
Spontaneous generation is incorrect. Only life can beget
life. Microbes can be found in the air.
Vital forces cannot travel up the swan-neck flask. Without
it, nothing can survive in the broth.
Res](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe666954d-96d9-4ce3-b8f0-924e472c11d2%2Fcc963286-128a-49c1-9f4a-613785c40a4a%2F3r50hxt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Microorganiems from
air setle in bend.
Air escapes from
open end of flask.
Years
Hours/days
2 Broth allowed
to cool slowly
air enters.
3 Broth stays sterile
indefinitely.
4 Flask tiltod so that
the sterile broth comes
in contact with micro-
organisms from air.
Broth sterilized-
air escapes.
Bacteria multiply
In broth.
Spontaneous generation is still a valid theory. The
bacteria in the broth came from the broth itself.
Spontaneous generation is incorrect. Only life can beget
life. Microbes can be found in the air.
Vital forces cannot travel up the swan-neck flask. Without
it, nothing can survive in the broth.
Res
![Match the terms with their definitions.
The highest level of classification.
Virus
An organism characterized by having cells
containing membrane-bound DNA.
Eukaryote
An organism characterized by having a cell
lacking a membrane-bound nucleus.
Spontaneous generation
Prion
An infectious agent consisting of only protein.
Prokaryote
An infectious agent consisting of only RNA.
Viroid
An infectious agent containing protein, nucleic
acids, and sometimes a lipid membrane.
Domain
A hypothesis concerning life arising from dead
organic compounds.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe666954d-96d9-4ce3-b8f0-924e472c11d2%2Fcc963286-128a-49c1-9f4a-613785c40a4a%2F4s0q99x_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Match the terms with their definitions.
The highest level of classification.
Virus
An organism characterized by having cells
containing membrane-bound DNA.
Eukaryote
An organism characterized by having a cell
lacking a membrane-bound nucleus.
Spontaneous generation
Prion
An infectious agent consisting of only protein.
Prokaryote
An infectious agent consisting of only RNA.
Viroid
An infectious agent containing protein, nucleic
acids, and sometimes a lipid membrane.
Domain
A hypothesis concerning life arising from dead
organic compounds.
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