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History of Technology Videos 160 videos
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History of Technology 3: Domestication of Animals 55 Views
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Description:
Did we domesticate animals, or did animals domesticate us? ...We domesticated them? Huh. Then why does our cat make us wear this collar?
Transcript
- 00:01
No ah long long time ago human being started farming
- 00:06
and they were like hey this is kind of cool
- 00:09
now we don't have to eat all these critters around
- 00:12
us so they gathered their critters and said hey we
- 00:16
don't have to eat you anymore so you guys should
Full Transcript
- 00:18
just hang out with us You don't even have to
- 00:21
pay rent and all the animals gave them a dumb
- 00:24
luck shrugged and kept rolling in their own Cooper that's
- 00:27
how animals were domesticated right Ok not exactly shmoop version
- 00:32
well domesticating plants and animals required some serious genetic manipulation
- 00:36
on the whole process took thousands of years what's funny
- 00:39
is that our ancestors didn't have a clue that they
- 00:42
were artificially selecting plants and animals for favourable genes People
- 00:46
wouldn't know about genes for about well another nine thousand
- 00:49
or so years early humans were just using common sense
- 00:53
by choosing to breathe the animals and plants that worked
- 00:55
best for their needs Well general rule of thumb in
- 00:58
human history humans always look out for humans first So
- 01:02
the deeds what We already know that the first animal
- 01:04
to be domesticated was some kind of dog they helped
- 01:07
Us out way back in our hunter gatherer days But
- 01:10
we didn't eat them They're usually the first animals to
- 01:14
be domesticated for agricultural purposes Were sheep and goats in
- 01:16
eurasia around ten thousand b c e mail Sheep and
- 01:20
goats were already pretty friendly Lived in herds and ate
- 01:23
pretty much well Anything green plus goats could faint which
- 01:27
always livened up a long day full of goats Yeah
- 01:31
well after goats we domesticated pigs around nine thousand bc
- 01:34
They were especially handy because well they're easy to take
- 01:36
care of clean their room Just let him roam around
- 01:40
eating literally everything And then a few months we have
- 01:42
bacon Well after pigs we domesticated cattle in about eight
- 01:45
thousand bc and horses in about four thousand bc Over
- 01:49
time each of the species became better and better adapted
- 01:52
to human direction She got william pigs got fatter and
- 01:56
nicer and cattle turned into milk's villas and goats Swelling
- 02:00
goats worked on entertaining us with fainting and having weird
- 02:03
eyes Throughout the process we were accidentally domesticating food crops
- 02:08
too The most important ones were probably wheat rice maize
- 02:11
barley and different kinds of beans Well those were that
- 02:14
Calorie rich crops that fed the biggest most impressive ancient
- 02:18
civilizations and their animals Domesticating plants and animals gave us
- 02:22
more than the many near mutant like breeds of dogs
- 02:26
We see it dog shows well here are some specific
- 02:28
things that domestication changed for one it's spreading new diseases
- 02:35
Yea well humans and animals started living closer together and
- 02:38
the animals themselves were not naturally selected for their awesome
- 02:41
immune systems So new diseases started to spring up and
- 02:45
jump between us Some diseases wiped out animals and others
- 02:49
attacked humans Can you say black plague Anyone Well plants
- 02:53
and animals also fundamentally changed Domesticating an animal does more
- 02:57
than make it friendlier Animals also get a little dumber
- 03:00
and slower because they no longer need to escape predators
- 03:03
So next time your dog fails his calculus test Well
- 03:06
he'll know who to blame Plants lost their defence mechanisms
- 03:09
as well Thorns and sticky sap went away in some
- 03:13
species That's right Plants and animals are totally soft now
- 03:17
on humans also changed That's right animals changed us humans
- 03:21
adapted to their new sources of food One of the
- 03:23
most dramatic changes was lack Toast tolerance will paleolithic humans
- 03:28
Couldn't drink animal milk without getting sick but over several
- 03:32
generations of living with herd animals and drinking milk anyway
- 03:36
some humans developed the genetic ability to ingest milk And
- 03:40
we all have these brave humans to thank for ice
- 03:42
cream except for the lack tose intolerant who must be
- 03:45
at least one part cave man or woman Domestication of
- 03:49
animals also had a big effect on transportation Animals like
- 03:52
oxen horses and donkeys were super important for hauling our
- 03:56
stuff around whether they liked it or not And last
- 03:59
but not least they were an energy source Yeah look 00:04:03.25 --> [endTime] at that little guy Go that terribles
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