Bacteria, Archaea, and Eukaryotes

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Questions and Answers

Bacteria & Archaea are all _____ & ________

unicellular & prokaryotic

Bacteria & Archaea lack ______

membrane-bound nucleus

Prokaryotes that live on your body are part of your human ___________.

Microbiome

What is a Microbiome?

<p>Community of microbes that naturally inhabit particular areas and all genetic material contained within it.</p> Signup and view all the answers

Eukaryotes aren't in fossil record until _____ BY

<p>1.75</p> Signup and view all the answers

Around 10000 _______ (microscopic organisms) in human large intestine

<p>microbes</p> Signup and view all the answers

Around 700 _____ in human mouth

<p>microbes</p> Signup and view all the answers

What are Bacteria & archaea?

<p>Dominant life-forms</p> Signup and view all the answers

What is the amount of individuals per mL seawater?

<p>over 10,000</p> Signup and view all the answers

Bacteria & archaea living under ocean may make up ____% of worlds total mass of living materal

<p>10</p> Signup and view all the answers

List 4 Biological impacts of Bacteria & Archaea.

<ol> <li>Abundance 2) Habitat Diversity 3) Medical Importance 4) Role in bioremediation</li> </ol> Signup and view all the answers

Entire new ____ of bacteria & archaea have been recently discovered in microbiology

<p>phyla</p> Signup and view all the answers

_____ live in extreme habitats (hydrothermal vents, pH

<p>Extremophiles</p> Signup and view all the answers

Bacteria & Archaea have a membrane-bound nucleus.

<p>False (B)</p> Signup and view all the answers

Around 10000 _______ (microscopic organisms) are in the human large intestine

<p>microbes</p> Signup and view all the answers

Around 700 _____ are in the human mouth

<p>microbes</p> Signup and view all the answers

Bacteria & archaea are ______ _______

<p>Dominant life-forms</p> Signup and view all the answers

How many individuals per mL of seawater are marine archaea?

<p>over 10,000</p> Signup and view all the answers

Bacteria & archaea living under the ocean may make up ____% of the world's total mass of living material

<p>10</p> Signup and view all the answers

What are the four biological impacts of Bacteria & Archaea?

<ol> <li>Abundance 2)Habitat Diversity 3) Medical Importance 4) Role in bioremediation</li> </ol> Signup and view all the answers

Eukaryotes weren't in the fossil record until ____ BY

<p>1.75</p> Signup and view all the answers

Bacteria & archaea are dominant life-forms

<p>True (A)</p> Signup and view all the answers

What are 4 biological impacts of bacteria & archaea?

<ol> <li>Abundance 2) Habitat Diversity 3) Medical Importance 4) Role in bioremediation</li> </ol> Signup and view all the answers

Flashcards

Bacteria & Archaea are all _____ & ________

unicellular & prokaryotic

Bacteria & Archaea lack ______

membrane-bound nucleus

Prokaryotes that live on your body are part of your human __________.

Microbiome

Microbiome

-Community of microbes that naturally inhabit particular areas -all genetic material contained withini it

Signup and view all the flashcards

Eukaryotes aren't in fossil record until ____ BY

1.75

Signup and view all the flashcards

around 10000 _______ (microscopic organisms) in human large intestine

microbes

Signup and view all the flashcards

around 700 _____ in human mouth

microbes

Signup and view all the flashcards

Bacteria & archaea are ______ _______

Dominant life-forms

Signup and view all the flashcards

over 10,000 individuals per mL seawater

Marine Archaea

Signup and view all the flashcards

Bacteria & archaea living under ocean may make up ____% of worlds total mass of living materal

10

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Biological impacts of Bacteria & Archaea (4)

  1. Abundance 2)Habitat Diversity
  2. Medical Importance
  3. Role in bioremediation
Signup and view all the flashcards

Entire new ____ of bacteria & archaea have been recently discovered in microbiology

phyla

Signup and view all the flashcards

Study Notes

  • Bacteria and Archaea are unicellular and prokaryotic.
  • Bacteria and Archaea do not have a membrane-bound nucleus.
  • Prokaryotes on the human body are part of the human microbiome.
  • The microbiome is a community of microbes in specific areas with genetic material.
  • Eukaryotes appear in the fossil record 1.75 BYA.
  • About 10,000 microbes are in the human large intestine.
  • Approximately 700 microbes are present in the human mouth.
  • Bacteria and archaea are the dominant life-forms on earth.
  • Marine Archaea have populations of over 10,000 individuals per mL of seawater.
  • Bacteria and archaea under the ocean may constitute 10% of the world's living matter.
  • The biological impacts of Bacteria and Archaea involve Abundance, Habitat Diversity, Medical Importance, and Bioremediation.
  • Many new phyla of bacteria and archaea have been discovered recently.
  • Some Bacteria and Archaea live in extreme habitats such as hydrothermal vents and extreme pH environments.

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