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Updated Mar 21, 2026
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Understanding Evolution
e
@uwu_fpjs
Evolution and Natural Selection
Evolution is basically nature's way of upgrading species over time - like getting better software updates, but for living things! It's the process where organisms gradually change to better suit their environment, which explains why polar bears have thick fur and desert animals can survive without much water.
The secret behind evolution is natural selection, which works like this: imagine a group of goats where some have long horns and others have short ones. If long horns help them survive better (maybe for fighting off predators), those goats are more likely to live long enough to have babies. Since baby goats inherit their parents' traits, more long-horned goats appear in the next generation.
This "survival of the fittest" process repeats over thousands of generations. The phrase doesn't mean the strongest necessarily win - it means the best-adapted to their specific environment survive and pass on their useful traits.
Remember: Evolution isn't about animals trying to change - it's about the ones with helpful traits being more successful at surviving and reproducing!
Fossils give us proof that evolution actually happened. These preserved remains show us what creatures looked like millions of years ago and how they've changed over time.
Darwin vs Lamarck: Two Different Ideas
Charles Darwin figured out how evolution really works, but he wasn't the first person to suggest that animals change over time. Lamarck had his own theory, but it turned out to be wrong - though it's still important to understand both.
Lamarck's theory suggested that animals could change themselves during their lifetime and pass those changes to their babies. He thought giraffes got long necks by constantly stretching to reach high leaves, and then their babies inherited those longer necks. It's like thinking that if you work out and get muscular, your children will automatically be born muscular too.
Darwin's theory (which is correct) showed that changes happen by chance when animals are born, not because they try to change. Some giraffes were just born with slightly longer necks, and when food became scarce at ground level, those lucky long-necked giraffes survived better than their short-necked relatives.
The key difference? Lamarck thought organisms changed after the environment changed and because they needed to. Darwin realised that useful variations already exist in populations before environmental changes, giving some individuals a head start when conditions get tough.
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This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Understanding Evolution
e
@uwu_fpjs
Ever wondered how animals developed their amazing features over millions of years? Evolution explains how species change and adapt to survive in their environments, turning simple organisms into the incredible diversity of life we see today.
Evolution and Natural Selection
Evolution is basically nature's way of upgrading species over time - like getting better software updates, but for living things! It's the process where organisms gradually change to better suit their environment, which explains why polar bears have thick fur and desert animals can survive without much water.
The secret behind evolution is natural selection, which works like this: imagine a group of goats where some have long horns and others have short ones. If long horns help them survive better (maybe for fighting off predators), those goats are more likely to live long enough to have babies. Since baby goats inherit their parents' traits, more long-horned goats appear in the next generation.
This "survival of the fittest" process repeats over thousands of generations. The phrase doesn't mean the strongest necessarily win - it means the best-adapted to their specific environment survive and pass on their useful traits.
Remember: Evolution isn't about animals trying to change - it's about the ones with helpful traits being more successful at surviving and reproducing!
Fossils give us proof that evolution actually happened. These preserved remains show us what creatures looked like millions of years ago and how they've changed over time.
Darwin vs Lamarck: Two Different Ideas
Charles Darwin figured out how evolution really works, but he wasn't the first person to suggest that animals change over time. Lamarck had his own theory, but it turned out to be wrong - though it's still important to understand both.
Lamarck's theory suggested that animals could change themselves during their lifetime and pass those changes to their babies. He thought giraffes got long necks by constantly stretching to reach high leaves, and then their babies inherited those longer necks. It's like thinking that if you work out and get muscular, your children will automatically be born muscular too.
Darwin's theory (which is correct) showed that changes happen by chance when animals are born, not because they try to change. Some giraffes were just born with slightly longer necks, and when food became scarce at ground level, those lucky long-necked giraffes survived better than their short-necked relatives.
The key difference? Lamarck thought organisms changed after the environment changed and because they needed to. Darwin realised that useful variations already exist in populations before environmental changes, giving some individuals a head start when conditions get tough.
We thought you’d never ask...
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Where can I download the Knowunity app?
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Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
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Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
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This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
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The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
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very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
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I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
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I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
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Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
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