Speciation
Explore speciation with The Amoeba Sisters. This video discusses sympatric and allopatric speciation and covers several types of isolation types including behavioral, temporal, and habitat isolations. This video has a handout at www.amoebasisters.com/handouts. Expand details for table of contents 👇
Table of Contents:
Intro 00:00
Defining Species 0:36
Defining Speciation 1:41
Allopatric Speciation 2:36
Sympatric Speciation 3:36
Prezygotic Barriers 3:48
Postyzygotic Barriers 5:16
Concepts to Keep in Mind with This Video 6:03
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Пікірлер: 356
We like to pin clarifications or corrections on our videos. We appreciate comments that bring them to our attention. There is a text box in this video that states that natural selection acts on populations, but we want to clarify this. Natural selection is based on differential reproductive success of individuals and this is a mechanism for evolution, which acts on populations, in order for this to happen. Natural selection does *occur* in populations (some references will use the words "*act on*" such as this example esajournals.onlinelibrary.wiley.com/doi/full/10.1890/0012-9623-95.2.24), but as a mechanism, natural selection does so by differential reproductive success of individuals. Our focus is to prevent the misconception that it does *not* produce an evolutionary change within the individual. The individual's survival and reproductive fitness will affect the population. Since we can't easily edit the text box, we are going to opt to remove the portion with the text box as it is explained without the textbox later in the video.
@moneyheist_-
6 ай бұрын
Have you ever thought of talking with sft
I am a biology major but was losing my interest recently in school and my major. I came here through recommendations last night and watched almost all of your videos since. Each video reminded me why I chose biology in the first place and got me excited again. Your excited voice and sense of humor got my hearts beating with my hopes and dreams once more. I cannot thank you enough. How did I forget how much I loved biology? Thank you, thank you. XOXO
@richardschaafsma5909
4 жыл бұрын
I feel you.
@jimintgum1441
4 жыл бұрын
Jimin Bang army?
@jerasong2196
3 жыл бұрын
@Aydon Calvert Do you know why people associate love with heart? It's because ~loving can heart, loving can mend you soul, but is the only thing that I knowwww
@emeralf9228
2 жыл бұрын
how are things now?
@mimiyo299
Жыл бұрын
@@emeralf9228 she died
As 34-year-old college sophomore, I learn more from these videos than I do reading the text provided by school.
@supreetsingh987
5 жыл бұрын
If that's your actual photo you look great for 34!
@animeandstuff5377
5 жыл бұрын
Supreet Singh not even that old 50 iz
@bikramroy3783
4 жыл бұрын
Bc
@mremanuelgarcia7917
3 жыл бұрын
Hi Tony
Aye watching this vid for my classes during quarantine
@UnicornButtzz
4 жыл бұрын
EEB 2245?
@annastajaa4798
4 жыл бұрын
same
@theamazingspy3179
4 жыл бұрын
same bro
@lunadawn8889
4 жыл бұрын
same :D
@itzaubrey9677
4 жыл бұрын
lukeyjukey SAME
I learn more from the Amoeba Sisters than my actual biology teacher... LIFESAVERS!
Everyone saying they're a teacher while im here trying to get an assignment done with this video 😅
@Sillymoment910
4 жыл бұрын
You're not the only one lol
@anastasiakasumba7397
4 жыл бұрын
Same here
@xxjustanaveragehumanxx3779
3 жыл бұрын
Saaaaame
we just covered this in class last think, your video was amazing, a two hour lesson summed up in 7 mins
@loricalass4068
6 жыл бұрын
Speciation does not support evolutonism as it is an example of stasis and stasis is the exact opposite of evolution. For ex. over 200,000 species of beetles are all still beetles. There are thousands upon thousands of species of birds, bees, lizards, trees, bacteria, trees, yeast, flowers, whatever. If a new species develops with any of those groups at all, you can bet your bottom science dollar that it will still be just a beetle, bee, bacteria, tree, fish, or whatever. We are supposed to fill in the blanks here with...faith...and think, "Well! If new species develops then things just keep evolving and evolving." But the next step above a species, in the Annimal or Plant Kingdom, is a Family. We aren't seeing any new Families forming. Anywhere. Ever. Accorrding to Darwin's so called Tree of Life and peer reviewed evolutionary literature, new Families have evolved. Over and over and over. However, nature operates today as it did in the past. In the real world, with trillions of life forms, we never see anything developing above the level of a new species. The life forms out there have purportedly had eons and eons of ancestors preceding them which should be showing at least one example of a part this Family "transitioning" to be another Family. But we only see that in the unverifiable, purely theoretical, realm of evolutionary literature, never in any life around us. If there is no evidence for transtiions from one Family to another - and please provide data if you know of any such evidence - then there is no evidence for evolution. But that's just for starters. If you want to take a walk on the wild side and look outside the box, you may find it interesting to see some of my other posts here.
Even as a college student these videos are excellent for reviewing materials from my lectures! Huge fan! Keep up the great work!
as always, succinctly and simply illustrated, fun to watch, and educational. thanks for making this.
I'm a student who's trying to learn by myself and be Infront of the teacher since he's so fast,but what I can say is that you've really helped me ever since COVID came to existence.May the good Lord bless you
My seventh grade life science students LOVE your videos. They always say "yay" with the utmost enthusiasm when I say we are watching an Amoeba Sisters video. Thanks so much for posting these. They are helpful, relevant, and loads of great fun.
I'm telling ya.. illustrations make a difference in learning. With your voice and the illustrations.. yall make a killer team! I am learning so much in such a short amount of time. Everything that I am learning in BIO right now is clearer now because of yalls videos! THANK YOU FOR HELPING US AND OUR CURIOSITY!!
We have a resource that goes with this video! Find it on www.amoebasisters.com/handouts
Hi. Keep up the great work you two! You help keep Biology interesting at times when I'm so tired I can't keep my eyes open lol. Hope your channel grows bigger. I'm sure it will. Just keep sharing that knowledge to the world! Love! Peace!
best thing on this planet is your channel
This is very helpful for the things that I did not understand in class. Thanks for keeping everything so simple and easy to understand.
My bio final on evolution and ecology is soon. Ya'll just saved my life 🙏🏾
Thank you for creating these videos to enhance student understanding! Very helpful in my teaching of 7th graders. :)
love how moo sorta hangs out in lots of the scenes of the video. thanks for helping me with science every day
I love your videos ever since my teacher introduced your channel to my class!
@ankitlenka9106
4 жыл бұрын
My dear sister Really your teacher recommend you to watch these Which country you belong to 🤔🤔🤔🤨🤨🤨
@lunadawn8889
4 жыл бұрын
haha me 2
This is so convenient! Everything we cover in biology class, you guys cover at the same time. Great video, and I'm sorry you weren't able to watch CatDog. Great show
Who's here because your teacher is making you watch this during Corona Cation
@lunadawn8889
4 жыл бұрын
me :)
@williamoshea7614
4 жыл бұрын
bro I hate this online school, I honestly would rather be in school, im a sophomore
@jerasong2196
3 жыл бұрын
Yow just wanna ask are y'all Grade 11 or 5th year high school? I'm not sure if this is the correct lesson I should be advancing on
@ninjagothebestshowonearth7277
3 жыл бұрын
JSquerrel Productions 11
@xxjustanaveragehumanxx3779
3 жыл бұрын
meeeee
Started loving biology after seeing these videos. Thankyou so much for your efforts 😍😍
Are tortoise and turtles an example of habitat isolation?
Very nice video. I'm not in school, but as an artist I like to come up with fictional animals, though I want them to be as scientifically accurate as possible (at least up to what is known currently). I really appreciate these videos. It's hard finding such specifics put into a video format. Keep up the good work. ^ - ^
The default dance is truly a masterpiece. Never, in all of history, has such an artistic masterpiece ever been created. The choreography is possibly the most beautiful sight ever beheld by the human eye. The sharp sound of the SLAP when the player’s hands collide perfectly with the beat of the song sends a bone chilling shiver down my spine, every single time I hear it. I find my self watching my in-game avatar performing this phenomenal dance ritual for hours on end. The beat of the song is without a doubt the most amazing musical composition in history, one to rival, if not surpass the complexity and beauty of Mozart’s classics. The default dance has truly revolutionized the future of music, and how artists should aspire to create. Some would describe the default dance as a meme, or just part of the game it is appearing in, however I would strongly disagree. These people simply do not understand that the default dance is the center of existence. The universe, science, and evolution are purely myths, as the default dance was the first life form to roam the Earth. Everything; human beings, nature, everything that defines this planet, has originated from ‘the building blocks of life’, the default dance.
@supergamerguyyt8267
5 жыл бұрын
Yes but why here
Thank you, amebo sisters! you're saving my bio grade
These videos are so addicting. Thank you so much. ❤️
Such a great video!!! Definitely going to use it in my classes.
the best channel to watch biology videos... and also good for quarantine times.... 😒😒😒
wonderful explication, I´m from Brazil and i´ve learned so much more w this english illustration than in portuguese classes
Loved it. What a great summation of speciation.
This is the first of your videos I've seen.. Super creative visuals and great script for conveying this info in such a digestible manner! Keep it up :)
amoeba sisters really helped me with my studies involving biology, it never failed my expectation, I learned a lot from all of your videos. I wish all of the topic that is hard for me to understand is here and I can binge watch them, I can't explain how grateful I am that you have all this full of information videos, hoping that you will continue upload videos to help a lot of students struggling with their studies.
I find it surprising that the Amoeba Sisters will create a video about the same topic that I am currently learning in class... within the same week. I think the same thing happened in the Natural Selection video. It really helps to reinforce the material. Thanks for making these videos! Keep up with the coincidental uploads!
Thanks for this video. I also understand that "fusion...ha!" reference!
ALWAYS THE BEST.KEEP UP THE GOOD WORK.MAY GOD BLESS BOTH OF U
Another interesting video I’ve watched. I’ve had to watch so many interesting videos for my class. I’m enjoying these kind of videos so much. 😁
this channel helps so much with studying, keep up the great work
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Ameoba sisters ON TOP ONCE AGAIN 👑👑👑👑
We really love to watch your videos, fellow Amoebae!
your videos are the best (for learning)i have watched by far...everything about this video is just great😍
I saw a docu series recently and in one episode they talked about a Tigon (Tiger Lion Hybrid) and how Lions usually have a gene which causes them to grow abnormally large physically ( found in the father's karyotype) but the mothers have a gene that prevents this.But when a Tigon is born its Abnormally large from a lion and a tiger due to the overgrowth gene, which doesn't allow it to live long. I think its the best example of the 2nd Postzygotic barrier you guys mentioned
@catsforuuu
7 ай бұрын
I think evolution is fact love from India🇮🇳
I absolutely loved it Amoeba Sisters forever : )
Bring back this intro!!! Love it guys ❤️
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I regret i didn't find this channel so early 😢amazing !
Thank you guys sooo much for these videos :) Can you possibly d one about plant transport? Thanks!
These videos are so good ! It's a fun way to learn
Such a great presentation.
Love your videos,
@rourouxiao0724
6 жыл бұрын
So?
Lovely videos. Keep them coming !
Its such a unique way of teaching really impressed great job loved ur video
This is such a cute informative video. Loved it!
Loved the video and always staying curious 😎
Love your videos, you are just amazing! ❤
This video is great... Helped me a lot
Awesome, I'm very impulsive so your interesting videos really helps me understand. Thanks sistas
Thank u so much excellent explanation
My teacher told me about you and now I love your videos
thank you amazing explaination
Thank you so much for this! I'm a 10th grade CBSE student and this is gonna help me so much in BOARD EXAM
@ankitlenka9106
4 жыл бұрын
Really there is no topic
this is really helpful for my science assignment on edgenuity
Great explanation
i hate biology
@ShaeBearBear
14 күн бұрын
Real
You have a pretty voice
@AmoebaSisters
7 жыл бұрын
Awwww, thank you so much :D
@spearheadcapitollaspinas9836
7 жыл бұрын
And i learned alot from you video thank you so much, are you a professor?
@rourouxiao0724
5 жыл бұрын
I'm sure that was you, Pinky.
Great video 👍
Thank you
Going back to in person school this week!
You guys rock!
Nice work, keep it up :)
This is so helpful. A DogCat would be nice.
I love you guys!!!
I loved that show
This is the best channel
thank you
Wow thank you♥
That's pretty good!! 😀😍
Great vid
it is really beautifully explained. tq very much. but mam i have one doubt that is, what will the phenomenon be called, when one vegetation completely takeover other vegetation. example: pine trees taken over by quercus species
Hei, thanks a lot. It's the first vedio of yuor channel I watchd, that make me subscribe this channel. And I'm gonna see all your vedios. Simple and attractive illustration, exciting voice, made me feel the topic. so coool🤗
THANKS TO U!!
You guys need more subscribers
Thankyou, I got Taxanomy's paper tomorrow.
Holy shit you guys are actually so clutch, I have a final on this tmr
@multiplayermaster3944
6 жыл бұрын
ikr!
is it good that i have watched both natural selection and classification before i watched this?
i love the intro music...
right on time
Loved this video!
i love your channel
I love you amoeba sisters
good work!
@loricalass4068
6 жыл бұрын
Speciation does not support evolutionism as it is an example of stasis and stasis is the exact opposite of evolution. For ex. over 200,000 species of beetles are all still beetles. There are thousands upon thousands of species of birds, bees, lizards, trees, bacteria, trees, yeast, flowers, whatever. If a new species develops with any of those groups at all, you can bet your bottom science dollars that it will still be just a beetle, bee, bacteria, tree, fish, or whatever. We are supposed to fill in the blanks here with...faith...and think, "Well! If new species develops then things just keep evolving and evolving." But the next step above a species, in the Animal or Plant Kingdom, is a Family. We aren't seeing any new Families forming. Anywhere. Ever. According to Darwin's so called Tree of Life and peer reviewed evolutionary literature, new Families have evolved. Over and over and over. However, nature operates today as it did in the past. In the real world, with trillions of life forms, we never see anything developing above the level of a new species. The life forms out there have purportedly had eons and eons of ancestors preceding them which should be showing at least one example of a part this Family "transitioning" to be another Family. But we only see that in the unverifiable, purely theoretical, realm of evolutionary literature, never in any life around us. If there is no evidence for transitions from one Family to another - and please provide data if you know of any such evidence - then there is no evidence for evolution. But that's just for starters. Some of my other posts help to show the picture of evolutionism more fully and point to who you really are.
I can say you are saving my life If I did not see this video I would be fail :)
thanks for the vids I love science
How can you tell the difference between a gene duplication event and a speciation event on a family tree??? plz help
First thing I wanna say is that you guys are cuteeee!!😘😘😘😘😘😘❤️
The one video that clearly explained sympatric speciation 😭
Nice video, i laughed with the country bird! And nice gypsy tune at the end : D
Thank you.... lol I was not getting it reading my text book.