Biológia je všade okolo nás a je oveľa zaujímavejšia, ako... Show more
Biológia
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Angličtina
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Updated Apr 3, 2026
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Čo je biológia a čo skúma?
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Čo je biológia a prečo je dôležitá?
Biológia je veda o živote - skúma všetko, co žije okolo nás. Slovo pochádza z gréčtiny, kde "bios" znamená život a "logos" znamená veda. Jednoducho povedané, je to "veda o živote".
Táto veda ti pomôže odpovedať na otázky typu: Prečo rastliny rastú? Ako dýchajú zvieratá? Prečo sa rodia mláďatá? Biológia skúma štyri hlavné skupiny: rastliny (stromy, kvety), živočíchy (psy, vtáky, ryby), huby (hríby, plesne) a človeka.
Stretávaš sa s biológiou každý deň - keď ješ ovocie, hráš sa s domácim miláčikom alebo sa učíš o svojom tele. Je to veda, ktorá ti pomôže lepšie rozumieť prírode a sebe samému.
Tip: Biológia je praktická veda - pozoruj živý svet okolo seba a budeš rozumieť lepšie!
Sedem vlastností živých organizmov
Ako rozoznáš, čo je živé a čo nie? Živé organizmy majú sedem dôležitých vlastností, ktoré si musíš zapamätať.
Rastú (zo semienka vyrastie strom), pohybujú sa (zvieratá behajú, rastliny sa otáčajú za slnkom), dýchajú (potrebujú kyslík), jedia a pijú alebo si vyrábajú potravu (potrebujú energiu). Ďalej sa rozmnožujú (majú mláďatá), reagujú na okolie (v zime hľadajú úkryt) a sú zložené z buniek (malých stavebných jednotiek).
Ak niečo nemá všetky tieto vlastnosti, nie je to živý organizmus. Napríklad kameň nerastie, nepohybuje sa ani nedýcha - preto je neživý.
Zapamätaj si: Všetky živé veci musia mať všetkých sedem vlastností!
Praktické príklady - strom vs. kameň, mačka vs. plyšák
Najlepšie sa naučíš na konkrétnych príkladoch. Porovnajme strom a kameň.
Strom rastie, dýcha, vyrába si potravu fotosyntézou, rozmnožuje sa semenami a reaguje na svetlo. Kameň nič z toho nerobí - preto je strom živý a kameň neživý.
Mačka verzus plyšový medvedík je ďalší dobrý príklad. Mačka rastie, hýbe sa sama, dýcha, je a pije, môže mať mačiatka a reaguje na tvoje hladkanie. Plyšový medvedík je len hračka - pohne sa, len keď ho posuniem, a nemá žiadnu z tých siedmich vlastností.
Skús si: Pozri sa okolo seba a nájdi 5 živých a 5 neživých vecí. Vieš vysvetliť prečo?
Huby sú tiež živé - príklad hríba
Možno ťa prekvapí, že huby sú živé organizmy, hoci sa nehýbu ako zvieratá. Hríb (napríklad šampiňón) má všetky vlastnosti živého organizmu.
Rastie, dýcha, živí sa tým, že rozkladá iné veci, rozmnožuje sa výtrusmi (také malé "semienka") a reaguje na okolie. Je zložený z buniek, takže je určite živý.
Porovnaj si to s plastovou fľašou, ktorá nemá ani jednu z týchto vlastností. Fľaša je vyrobená človekom z neživého materiálu a navždy taká zostane.
Zaujímavosť: Huby nie sú ani rastliny, ani zvieratá - sú to úplne samostatná skupina!
Kľúčové veci na zapamätanie pre skúšku
Tu máš všetko dôležité zhrnuté pre lepšie učenie. Biológia je veda o živote - toto je základ, z ktorého vychádzaj vždy.
Hlavné skupiny, ktoré skúma: rastliny, živočíchy, huby a človek. Sedem vlastností živých organizmov si zopakuj: rastú, pohybujú sa, dýchajú, jedia/pijú/vyrábajú potravu, rozmnožujú sa, reagujú na okolie a sú zložené z buniek.
Biológia ti pomáha chrániť prírodu, rozumieť chorobám a lepšie spoznať svet okolo seba. Je to praktická veda, ktorú používaš každý deň.
Tip na učenie: Precvič si rozoznávanie živého a neživého na rôznych príkladoch z domova!
Rýchle opakovanie pred skúškou
Potrebuješ si rýchlo zopakovať? Tu je všetko podstatné v skratke.
Biológia = veda o živote. Skúma rastliny, živočíchy, huby a človeka. Sedem znakov živých organizmov: rastú, pohybujú sa, dýchajú, jedia/pijú/vyrábajú potravu, rozmnožujú sa, reagujú na okolie, zložené z buniek.
Biológia je dôležitá, lebo ti pomáha chápať prírodu, tvoje telo a svet okolo teba. Precvič si to na príkladoch a budeš pripravený na skúšku!
Záverečný tip: Biológia nie je o memorovaní, ale o pozorovaní a pochopení života okolo teba!
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App Store
4.7/5
Google Play
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
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
Čo je biológia a čo skúma?
Biológia je všade okolo nás a je oveľa zaujímavejšia, ako si možno myslíš! Je to veda, ktorá ti pomôže pochopiť, prečo kvety rastú, ako funguje tvoje telo a čo robí niečo živým.
Čo je biológia a prečo je dôležitá?
Biológia je veda o živote - skúma všetko, co žije okolo nás. Slovo pochádza z gréčtiny, kde "bios" znamená život a "logos" znamená veda. Jednoducho povedané, je to "veda o živote".
Táto veda ti pomôže odpovedať na otázky typu: Prečo rastliny rastú? Ako dýchajú zvieratá? Prečo sa rodia mláďatá? Biológia skúma štyri hlavné skupiny: rastliny (stromy, kvety), živočíchy (psy, vtáky, ryby), huby (hríby, plesne) a človeka.
Stretávaš sa s biológiou každý deň - keď ješ ovocie, hráš sa s domácim miláčikom alebo sa učíš o svojom tele. Je to veda, ktorá ti pomôže lepšie rozumieť prírode a sebe samému.
Tip: Biológia je praktická veda - pozoruj živý svet okolo seba a budeš rozumieť lepšie!
Sign up to see the contentIt's free!
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Sedem vlastností živých organizmov
Ako rozoznáš, čo je živé a čo nie? Živé organizmy majú sedem dôležitých vlastností, ktoré si musíš zapamätať.
Rastú (zo semienka vyrastie strom), pohybujú sa (zvieratá behajú, rastliny sa otáčajú za slnkom), dýchajú (potrebujú kyslík), jedia a pijú alebo si vyrábajú potravu (potrebujú energiu). Ďalej sa rozmnožujú (majú mláďatá), reagujú na okolie (v zime hľadajú úkryt) a sú zložené z buniek (malých stavebných jednotiek).
Ak niečo nemá všetky tieto vlastnosti, nie je to živý organizmus. Napríklad kameň nerastie, nepohybuje sa ani nedýcha - preto je neživý.
Zapamätaj si: Všetky živé veci musia mať všetkých sedem vlastností!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Praktické príklady - strom vs. kameň, mačka vs. plyšák
Najlepšie sa naučíš na konkrétnych príkladoch. Porovnajme strom a kameň.
Strom rastie, dýcha, vyrába si potravu fotosyntézou, rozmnožuje sa semenami a reaguje na svetlo. Kameň nič z toho nerobí - preto je strom živý a kameň neživý.
Mačka verzus plyšový medvedík je ďalší dobrý príklad. Mačka rastie, hýbe sa sama, dýcha, je a pije, môže mať mačiatka a reaguje na tvoje hladkanie. Plyšový medvedík je len hračka - pohne sa, len keď ho posuniem, a nemá žiadnu z tých siedmich vlastností.
Skús si: Pozri sa okolo seba a nájdi 5 živých a 5 neživých vecí. Vieš vysvetliť prečo?
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
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Huby sú tiež živé - príklad hríba
Možno ťa prekvapí, že huby sú živé organizmy, hoci sa nehýbu ako zvieratá. Hríb (napríklad šampiňón) má všetky vlastnosti živého organizmu.
Rastie, dýcha, živí sa tým, že rozkladá iné veci, rozmnožuje sa výtrusmi (také malé "semienka") a reaguje na okolie. Je zložený z buniek, takže je určite živý.
Porovnaj si to s plastovou fľašou, ktorá nemá ani jednu z týchto vlastností. Fľaša je vyrobená človekom z neživého materiálu a navždy taká zostane.
Zaujímavosť: Huby nie sú ani rastliny, ani zvieratá - sú to úplne samostatná skupina!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Kľúčové veci na zapamätanie pre skúšku
Tu máš všetko dôležité zhrnuté pre lepšie učenie. Biológia je veda o živote - toto je základ, z ktorého vychádzaj vždy.
Hlavné skupiny, ktoré skúma: rastliny, živočíchy, huby a človek. Sedem vlastností živých organizmov si zopakuj: rastú, pohybujú sa, dýchajú, jedia/pijú/vyrábajú potravu, rozmnožujú sa, reagujú na okolie a sú zložené z buniek.
Biológia ti pomáha chrániť prírodu, rozumieť chorobám a lepšie spoznať svet okolo seba. Je to praktická veda, ktorú používaš každý deň.
Tip na učenie: Precvič si rozoznávanie živého a neživého na rôznych príkladoch z domova!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Rýchle opakovanie pred skúškou
Potrebuješ si rýchlo zopakovať? Tu je všetko podstatné v skratke.
Biológia = veda o živote. Skúma rastliny, živočíchy, huby a človeka. Sedem znakov živých organizmov: rastú, pohybujú sa, dýchajú, jedia/pijú/vyrábajú potravu, rozmnožujú sa, reagujú na okolie, zložené z buniek.
Biológia je dôležitá, lebo ti pomáha chápať prírodu, tvoje telo a svet okolo teba. Precvič si to na príkladoch a budeš pripravený na skúšku!
Záverečný tip: Biológia nie je o memorovaní, ale o pozorovaní a pochopení života okolo teba!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
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
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