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Old & Odd: Archaea, Bacteria & Protists - CrashCourse Biology #35

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Old & Odd: Archaea, Bacteria & Protists - CrashCourse Biology #35

Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most abundant organisms on Earth, and are our oldest, oddest relatives.

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References for this episode can be found in the Google document here:

Table of Contents
1) Archaea 03:23
a) Methanogens 04:02
b) Extremophiles 04:24

2) Bacteria 05:24:2
3) Gram Positive 06:50
a) Proteobacteria 07:15
b) Cyanobacteria 07:30
c) Spirochetes 07:42
d) Chlamydias 07:52

4) Protists 08:12
a) Protozoa 09:03
b) Algae 09:54
c) Slime Molds 11:13

crash course, biology, archaea, bacteria, protists, unicellular, life, origin, evolution, evolve, eukaryotic, prokaryotic, nucleus, cell membrane, cytoplasm, ribosome, DNA, chromosome, plasmid, extremophile, methanogen, hydrothermal vent, halophile, parasitic, antibiotic, immune system, horizontal gene transfer, diverse, gram staining, gram positive, proteobacteria, cyanobacteria, spirochete, chlamydia, protozoa, algae, dog vomit, slime mold, heterotrophic, flagella, cilia, amoeba, photosynthesis, diatom, sailor's eyeball, bubble algae, seaweed, green, red, brown Support CrashCourse on Patreon:
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Archaea

What is the domain Archaea? Explore the archaeans with the Amoeba Sisters! This introductory video compares and contrasts characteristics of Archaea with bacteria.

Time-Stamped Table of Contents:
00:00 Intro
0:47 Extremophiles
1:00 Bacteria vs. Archaea
2:17 Archaea Membranes
2:44 Archaea Cell Walls
3:23 Archaea Genetic Material
4:10 Favorite Archaea Genus Example

Factual References:
Zedalis, Julianne, and John Eggebrecht. Biology for AP® Courses. OpenStax, 2018, Prokaryotic Metabolism,


Further Reading Suggestions:
*Learn more about Archaea vs. Bacteria:


*What do the terms gram positive and gram negative mean?


*Sulfolobus- a genus of Archaea that could have industrial uses?


*More example Archaea to explore?


The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. Amoeba Sisters videos only cover concepts that Pinky is certified to teach, and they focus on her specialty: secondary life science. Learn more about our videos here:

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Our intro music designed and performed by Jeremiah Cheshire.

End music in this video is listed free to use/no attribution required from the YouTube audio library

COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.

TRANSLATIONS:
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.
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Fungi: Death Becomes Them - CrashCourse Biology #39

Death is what fungi are all about. By feasting on the deceased remains of almost all organisms on the planet, converting the organic matter back into soil from which new life will spring, they perform perhaps the most vital function in the global food web. Fungi, which thrive on death, make all life possible.

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Table of Contents
1) Biolography 02:07
2) Structure 04:53
3) The Decomposers 06:10
4) The Mutualists 06:38
5) The Predators 07:23
6) The Parasites 07:35
7) Reproduction 08:24

References for this episode can be found in the Google document here:

crashcourse, biology, hank green, fungi, fungus, detritivore, species, taxonomy, yeast, disease, death, organic matter, louis pasteur, biolography, beer, anaerobic respiration, fermentation, pasteurization, decompose, decomposition, soil, nutrient, recycle, mushroom, heterotroph, hyphae, chitin, mycelium, decomposer, mutualist, predator, parasite, enzyme, lignin, haustoria, mycorrhizae, sex, reproduction, spore, propagation, plasmogamy, asci, disperse, ascocarps, molds Support CrashCourse on Subbable:
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Bacteria (Updated)

Let the Amoeba Sisters introduce you to bacteria! This video explains bacterial structure, reproduction, and how not all bacteria are bad! Video also briefly mentions endospores, plasmids, and bacteria transformation.

Table of Contents:
00:00 Intro
0:51 Misconceptions about bacteria
1:55 Many bacteria are helpful
2:42 Harmful bacteria
2:51 Antibiotics
3:24 Characteristics of bacteria
4:42 Bacterial reproduction
5:06 Conjugation and Antibiotic Resistance
5:49 Bacterial Transformation
6:10 Endospores
6:35 Extremophiles

Factual Reference:
OpenStax, Biology. OpenStax CNX. Nov 7, 2018

Further Reading Suggestions:
-We only introduce the concept of a plasmid. Learn more about plasmids from Addgene, a nonprofit plasmid repository:


-Check out how some ways genetically modified bacteria can be useful!



The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:


We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:

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TIPS FOR VIEWING EDU YOUTUBE VIDEOS:
Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc?

MUSIC:
Our intro music designed and performed by Jeremiah Cheshire.

End music in this video is listed free to use/no attribution required from the YouTube audio library

COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.

TRANSLATIONS:
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.
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Viruses (Updated)

Explore the lytic and lysogenic viral replication cycles with the Amoeba Sisters! This video also discusses virus structures and why a host is critical for viral reproduction. Expand details for table of contents and further reading suggestions! This updated video replaces our older virus video from 2013.

Table of Contents:
00:00 Video Intro
0:29 Intro to a Virus
1:10 Virus Structure
2:30 Lytic Cycle
3:41 Lysogenic Cycle
4:48 HIV
5:52 Viruses in Gene Therapy, Pesticide

We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:

***************************************************************
Further Reading Suggestions:

Learn more about the Nuclear Polyhedrosis Virus (NPV)- a virus that can target pest insects.

How does Gene Therapy Work? (from NIH)


We received a great comment asking about how viral DNA may go undetected. Check out this great journal article:


****************************************************************

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:


We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:

Support Us?

Our Resources:
Biology Playlist:
GIFs:
Handouts:
Comics:
Unlectured Series:

Connect with us!
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TIPS FOR VIEWING EDU YOUTUBE VIDEOS:
Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc?

MUSIC:
Music in this video is listed free to use/no attribution required from the YouTube audio library

COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.

TRANSLATIONS:
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.

Prokaryotic vs. Eukaryotic Cells (Updated)

This Amoeba Sisters video starts with providing examples of prokaryotes and eukaryotes before comparing and contrasting prokaryotic cells with eukaryotic cells! Free handout at More detail about cell structure and organelles can be found in our cells video:

Contents:
00:00 Intro
1:27 Modern Cell Theory
1:37 3 Domains (with examples of Prokaryotes and Eukaryotes)
2:23 Similarities of Prokaryotic Cells and Eukaryotic Cells
3:18 Differences of Prokaryotic Cells and Eukaryotic Cells

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The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:


We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:

Support Us?

Our Resources:
Biology Playlist:
GIFs:
Handouts:
Comics:
Unlectured Series:

Connect with us!
Website:
Twitter:
Facebook:
Tumblr:
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Instagram:

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TIPS FOR VIEWING EDU YOUTUBE VIDEOS:
Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc?

MUSIC:
Music in this video is listed free to use/no attribution required from the YouTube audio library

COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.

TRANSLATIONS:
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.

Protists and Fungi

Get introduced to protists and fungi with the Amoeba Sisters! This video explores basic cell type, mode of feeding, habitat examples, and ecology of both protists and fungi. This video also mentions a few examples of how protists and fungi can be useful- and harmful- to humans.

Factual Reference:
OpenStax, Biology. OpenStax CNX. Nov 7, 2018

Recommended channel to see *real life* protists? Check out John Mead's channel which is full of microsafaris: and here is a video he has specifically with an amoeba

********Further Reading Suggestions BELOW********

-Learn about malaria here:
-As the video mentions, *most* amoeba species are *harmless* to humans. However, we mention that there is a species that can be lethal to humans. Further reading about this rare infection:
-Learn about the Irish Potato Famine (caused by a protist) from the History Channel:

Phytoplankton** biofuel?
-
-
**Note: “Phytoplankton” is a fairly general term. It can *include* many species of organisms, including diatoms, which are typically considered a type of protist although debate about protists (as we mention, a group where many organisms tend to be placed when they don’t completely in other categories) continues to occur. Classification can change as scientists continue to learn more about evolutionary relationships. Source about diatoms as protists:

Fungi as a biocontrol?
-
-

Regarding recombinant DNA technology and yeast?
-
-

Using Yeast Vectors?
-

-------------------------------------------------------------------------------------------
The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:


Support Us?

Our Resources:
Biology Playlist:
GIFs:
Handouts:
Comics:
Unlectured Series:

Connect with us!
Website:
Twitter:
Facebook:
Tumblr:
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Instagram:

Visit our Redbubble store at

TIPS FOR VIEWING EDU YOUTUBE VIDEOS:
Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc?

MUSIC:
Our intro music designed and performed by Jeremiah Cheshire.

End music in this video is listed free to use/no attribution required from the YouTube audio library

COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.

TRANSLATIONS:
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.

The Plants & The Bees: Plant Reproduction - CrashCourse Biology #38

Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they've tricked it out so that it works a whole lot differently compared to the way it did back in the Ordovician swamps where it got its start. Here's how the vascular plants (ferns, gymnosperms and angiosperms) do it.

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Table of Contents
1) Sporophyte Dominance 01:55
2) Ferns 02:14
3) Gymnosperms 03:35
4) Angiosperms 05:33
5) Truth or Fail: Fruit Edition! 08:28

References for this episode can be found in the Google document here:

crash course, biology, plant, reproduction, sporophyte, gametophyte, diploid, haploid, cell, alternation of generations, vascular plants, cone, flower, strategy, reproductive, sex, dominance, chromosome, sporophyte dominant, fern, spore, frond, extinct, pollen, ovule, seed, evolution, gymnosperm, conifer, ginko, cycad, lodgepole pine, serotinous, forest fire, competition, angiosperm, flying insect, coevolve, mutualism, perfect flower, male, female, sepal, petal, anther, filament, stamen, ovary, style, stigma, pollination, bee, fertilization, fruit, hank green Support CrashCourse on Patreon:

Taxonomy: Life's Filing System - Crash Course Biology #19

Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy.

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References for this episode can be found in the Google document here:

Table of Contents
1) Taxonomy 0:00
2) Phylogenetic Tree 1:24
3) Biolography 2:26
4) Analogous/Homoplasic Traits 3:48
5) Homologous Traits 4:03
6) Taxa & Binomial Nomenclature 4:56
7) Domains 5:48
a) Bateria 6:04
b) Archaea 6:44
c) Eukarya / 4 Kingdoms 6:54
-Plantae 7:56
-Protista 8:23
-Fungi 8:56
-Animalia 9:31

taxonomy, classification, classifying, evolution, filing, science, biology, life, organism, relationship, ancestor, ancestry, evolutionary tree, phylogenetic tree, tree of life, biolography, carl von linnaeus, linnaeus, botanist, botanical name, morphology, homologous traits, systema naturae, taxa, groups, kingdom, phylum, class, order, family, genus, species, binomial nomenclature, latin, domain, archaea, eukarya, division, autotrophs, heterotrophs, protist, fungi, animalia, animal, cat, kitty Support CrashCourse on Patreon:

Kingdom of Protista

Kingdom of Protista
In this video, I review the kingdom Protista
A protist is a eukaryote that is not an animal, plant or fungi.
The kingdom protista is called the junk drawer kingdom because if a eukaryotic organism is not placed in the other kingdoms it is considered a protist.
There are three main types of protists, plantlike,animal-like and funguslike.
Some common examples of protists include amoeba , paramecium, kelp,algae,diatoms, euglena, and dinoflagellates.
*
*
For more Life Science videos and summaries see,
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Your Immune System: Natural Born Killer - Crash Course Biology #32

Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.

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Table of Contents
1) Innate Immune System 1:45
a) Mucous Membranes 2:54
b) Inflammatory Response 3:44
c) Leukocytes 4:45

2) Open Letter 6:33
a) Natural Killer Cells 6:56
b) Dendritic Cells 7:57

3) Acquired Immune System 8:36
a) Antibodies 9:08
b) Lymphocytes 9:48
c) Cell-Mediated Response 10:17
d) Humoral Response 13:00

References
Campbell Biology, 9th ed.



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crash course, crashcourse, biology, immune system, anatomy, physiology, human, health, microscopic, pus, pathogen, bacteria, body, organism, virus, immunity, innate, acquired, animal, vertebrate, germ, skin, mucous membrane, digestive tract, mucus, inflammatory response, mast cells, histamine, allergic, allergy, infection, phagocyte, macrophage, natural killer cell, lymphocytes, white blood cells, antigen, t cell, humoral response Support CrashCourse on Patreon:

Classification

Explores classification in biology as well as taxonomy hierarchy: domain, kingdom, phylum, class, order, family, genus, and species with The Amoeba Sisters! This video also discusses the importance of scientific names and why classification can have major changes due to DNA and cell structure evidence. Video has a handout: See table of contents by expanding details ????

Table of Contents:
Intro 00:00
Importance of DNA in naming 1:04
Classification Mnemonic 1:41
Domains 2:04
Kingdoms 3:51
Phylum, Class, Order, Family, Genus 5:52
Species and Scientific Name 6:06
Common Name vs Scientific Name 6:49

Important Vocabulary:
Prokaryotes vs. Eukaryotes
Autotrophs vs. Heterotrophs
Unicellular vs. Multicellular
Cell Wall vs No Cell Wall (All cells have a membrane!)
Binomial Nomenclature

P.S. When we went back through subtitles, we realized we have a mispronunciation. Oh Archaea. We've heard ar-KEE-ə. We've heard ar-KAY-ə. But there's a mispronunciation here for that domain just to let you know.

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:


We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:

Support Us?

Our Resources:
Biology Playlist:
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Handouts:
Comics:
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Connect with us!
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Visit our Redbubble store at

TIPS FOR VIEWING EDU YOUTUBE VIDEOS:
Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc?

MUSIC:
Music in this video is listed free to use/no attribution required from the YouTube audio library

COMMUNITY:
We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.

TRANSLATIONS:
While we don't allow dubbing of our videos, we do gladly accept subtitle translations from our community. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.

Micro-Biology: Crash Course History of Science #24

It's all about the SUPER TINY in this episode of Crash Course: History of Science. In it, Hank Green talks about germ theory, John Snow (the other one), pasteurization, and why following our senses isn't always the worst idea.

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Mark Brouwer, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Eric Prestemon, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, Indika Siriwardena, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Mayumi Maeda, Kathy & Tim Philip, Jirat, Ian Dundore
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Old & Odd: Archaea, Bacteria & Protists | Crash Course biology | Khan Academy

Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most abundant organisms on Earth, and are our oldest, oddest relatives. Created by Crash Course.

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Overview of Archaea, Protista, and Bacteria | Cells | MCAT | Khan Academy

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MCAT on Khan Academy: Go ahead and practice some passage-based questions!

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Unicellular Life Part 2: Archaea and Protists

Everyone knows about bacteria, but there are tons of other unicellular species! Archaea are prokaryotes just like bacteria, but they live in some pretty weird places, which teaches us a lot about the kinds of conditions life can thrive in. Then there are a wide variety of unicellular eukaryotes, and they can do all kinds of different things. Let's take a look at all these critters!

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What Is A Protist?

Prokaryotes: Bacteria and Archaea | Biology

Learn all about prokaryotes in just a few minutes! Jessica Pamment, professional lecturer at DePaul University, explains the similarities and differences between bacteria and archaea.

This video is part of a complete Introduction to Biology series presented in short digestible summaries!

Find answers to common questions in basic college level biology, like the chemistry of life, cells, and genetics. Then climb the tree of life to learn about evolution, biological diversity, and animal and plant structures and functions. Cap it off with a look into how our planet's ecology is organized. Using essential biology vocabulary, summary points, and professor reviewed explanations, Course Hero makes learning biology quick and easy!

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Difference between Bacteria and Archaea

What is the difference between bacteria and archaea? Although they may seem to be the same,these two groups of organisms are different.

Domains

Table of Contents:

00:25 - Classification is always a work in progress.
00:35 - The three domains in the tree of life are Bacteria, Archaea, and Eukarya.
00:36 - Classification is always a work in progress.
00:57 - The three domains in the tree of life are Bacteria, Archaea, and Eukarya.
02:02 -

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