A comprehensive biology study guide covering key topics from taxonomy... Show more
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Subjects
Triangle Congruence and Similarity Theorems
Triangle Properties and Classification
Linear Equations and Graphs
Geometric Angle Relationships
Trigonometric Functions and Identities
Equation Solving Techniques
Circle Geometry Fundamentals
Division Operations and Methods
Basic Differentiation Rules
Exponent and Logarithm Properties
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Human Organ Systems
Reproductive Cell Cycles
Biological Sciences Subdisciplines
Cellular Energy Metabolism
Autotrophic Energy Processes
Inheritance Patterns and Principles
Biomolecular Structure and Organization
Cell Cycle and Division Mechanics
Cellular Organization and Development
Biological Structural Organization
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Chemical Sciences and Applications
Atomic Structure and Composition
Molecular Electron Structure Representation
Atomic Electron Behavior
Matter Properties and Water
Mole Concept and Calculations
Gas Laws and Behavior
Periodic Table Organization
Chemical Thermodynamics Fundamentals
Chemical Bond Types and Properties
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European Renaissance and Enlightenment
European Cultural Movements 800-1920
American Revolution Era 1763-1797
American Civil War 1861-1865
Global Imperial Systems
Mongol and Chinese Dynasties
U.S. Presidents and World Leaders
Historical Sources and Documentation
World Wars Era and Impact
World Religious Systems
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Classic and Contemporary Novels
Literary Character Analysis
Rhetorical Theory and Practice
Classic Literary Narratives
Reading Analysis and Interpretation
Narrative Structure and Techniques
English Language Components
Influential English-Language Authors
Basic Sentence Structure
Narrative Voice and Perspective
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350
•
Updated Mar 29, 2026
•
Lottie
@lottie_
A comprehensive biology study guide covering key topics from taxonomy... Show more











Page 2: Magnetic Fields and Solenoids
This page discusses the properties of solenoids and magnetic fields, explaining how solenoids create strong and uniform magnetic fields.
Definition: A solenoid is a coil of wire that creates a magnetic field when electric current flows through it.
Highlight: The magnetic field is strongest inside the solenoid and becomes weaker outside.

Page 3: Plant Transport Systems
This page details the transport system in plants xylem phloem, explaining their crucial roles in plant survival.
Vocabulary:
Highlight: The vascular tissue system is essential for plant survival and growth.

Page 4: Cell Structure Comparison
This page compares plant and animal cell structures, highlighting their key components and differences.
Definition: Cells are the basic structural and functional units of all living organisms.
Example: Plant cells have additional structures like cell walls and large vacuoles that animal cells lack.

Page 5: BMI and Obesity
This page introduces Body Mass Index (BMI) and its relationship to obesity.
Definition: BMI = body mass in kg / (height in meters)²
Highlight: BMI is a key indicator of whether someone is overweight or obese.

Page 6: Health Implications of Obesity
This page discusses how obesity affects health, particularly focusing on cardiovascular disease.
Highlight: Obesity can lead to multiple health issues including high blood pressure and increased diabetes risk.
Example: Fatty deposits in arteries are a direct result of obesity and can lead to cardiovascular disease.

Page 7: Plant Defense Mechanisms
This page explains various ways plants protect themselves from herbivores.
Vocabulary:
Example: Plants use thorns, hairs, and mimicry as defense mechanisms.

Page 8: Plant Transport Details
This page provides additional detail about plant transport systems.
Definition: Plant transport systems consist of specialized tissues that move different substances throughout the plant.
Highlight: Xylem and phloem work together to maintain plant health and growth.

Page 9: Liver and Small Intestine Functions
This page describes the functions of the liver and small intestine, including their tissue types.
Definition: The liver is a vital organ that performs multiple functions including blood detoxification and sugar level control.
Highlight: Both organs contain multiple tissue types including epithelial and glandular tissues.

Page 10: Organ Functions and Tissue Types
This page details the functions of various organs including the heart, stomach, and pancreas.
Definition: Each organ contains specific tissue types that enable its specialized functions.
Example: The heart contains muscular and epithelial tissue to enable blood pumping throughout the body.

Page 1: Taxonomic Classification System
This page outlines the hierarchical classification system used in biology, moving from Kingdom down to Species level. The system demonstrates how organisms are classified in increasingly specific groups.
Definition: Taxonomy is the science of naming, classifying, and organizing living things.
Example: The classification hierarchy follows: Kingdom → Phylum → Class → Order → Family → Genus → Species
Highlight: This classification system is fundamental to understanding biological relationships between organisms.
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.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
App Store
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
Lottie
@lottie_
A comprehensive biology study guide covering key topics from taxonomy to organ systems, with special focus on transport system in plants xylem phloem and obesity high blood pressure cardiovascular disease study guide.

Access to all documents
Improve your grades
Join milions of students
Page 2: Magnetic Fields and Solenoids
This page discusses the properties of solenoids and magnetic fields, explaining how solenoids create strong and uniform magnetic fields.
Definition: A solenoid is a coil of wire that creates a magnetic field when electric current flows through it.
Highlight: The magnetic field is strongest inside the solenoid and becomes weaker outside.

Access to all documents
Improve your grades
Join milions of students
Page 3: Plant Transport Systems
This page details the transport system in plants xylem phloem, explaining their crucial roles in plant survival.
Vocabulary:
Highlight: The vascular tissue system is essential for plant survival and growth.

Access to all documents
Improve your grades
Join milions of students
Page 4: Cell Structure Comparison
This page compares plant and animal cell structures, highlighting their key components and differences.
Definition: Cells are the basic structural and functional units of all living organisms.
Example: Plant cells have additional structures like cell walls and large vacuoles that animal cells lack.

Access to all documents
Improve your grades
Join milions of students
Page 5: BMI and Obesity
This page introduces Body Mass Index (BMI) and its relationship to obesity.
Definition: BMI = body mass in kg / (height in meters)²
Highlight: BMI is a key indicator of whether someone is overweight or obese.

Access to all documents
Improve your grades
Join milions of students
Page 6: Health Implications of Obesity
This page discusses how obesity affects health, particularly focusing on cardiovascular disease.
Highlight: Obesity can lead to multiple health issues including high blood pressure and increased diabetes risk.
Example: Fatty deposits in arteries are a direct result of obesity and can lead to cardiovascular disease.

Access to all documents
Improve your grades
Join milions of students
Page 7: Plant Defense Mechanisms
This page explains various ways plants protect themselves from herbivores.
Vocabulary:
Example: Plants use thorns, hairs, and mimicry as defense mechanisms.

Access to all documents
Improve your grades
Join milions of students
Page 8: Plant Transport Details
This page provides additional detail about plant transport systems.
Definition: Plant transport systems consist of specialized tissues that move different substances throughout the plant.
Highlight: Xylem and phloem work together to maintain plant health and growth.

Access to all documents
Improve your grades
Join milions of students
Page 9: Liver and Small Intestine Functions
This page describes the functions of the liver and small intestine, including their tissue types.
Definition: The liver is a vital organ that performs multiple functions including blood detoxification and sugar level control.
Highlight: Both organs contain multiple tissue types including epithelial and glandular tissues.

Access to all documents
Improve your grades
Join milions of students
Page 10: Organ Functions and Tissue Types
This page details the functions of various organs including the heart, stomach, and pancreas.
Definition: Each organ contains specific tissue types that enable its specialized functions.
Example: The heart contains muscular and epithelial tissue to enable blood pumping throughout the body.

Access to all documents
Improve your grades
Join milions of students
Page 1: Taxonomic Classification System
This page outlines the hierarchical classification system used in biology, moving from Kingdom down to Species level. The system demonstrates how organisms are classified in increasingly specific groups.
Definition: Taxonomy is the science of naming, classifying, and organizing living things.
Example: The classification hierarchy follows: Kingdom → Phylum → Class → Order → Family → Genus → Species
Highlight: This classification system is fundamental to understanding biological relationships between organisms.
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.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
16
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Explore the essential processes of homeostasis, including the roles of the nervous and endocrine systems in maintaining a stable internal environment. This summary covers key concepts such as feedback mechanisms and automatic control systems, providing a clear understanding of how the body responds to internal and external changes. Ideal for students studying biology.
Explore key concepts in biology including cell structure, photosynthesis, eye anatomy, immunology, and the nervous system. This comprehensive summary covers essential topics for AQA GCSE, focusing on human hormones, kidney function, disease prevention, and more. Ideal for students preparing for exams.
Explore the key functions of the endocrine system, including hormonal control of blood glucose levels, the roles of major glands like the pancreas, thyroid, and adrenal glands, and the mechanisms of diabetes management. This summary covers essential concepts such as negative feedback and hormonal coordination, crucial for understanding homeostasis in GCSE Biology.
Explore the mechanisms of blood glucose regulation, including the roles of insulin and glucagon, the negative feedback system, and the differences between Type 1 and Type 2 diabetes. This summary covers key concepts in hormonal coordination essential for GCSE Biology.
Explore the intricate mechanisms of hormonal control and homeostasis in the human body. This summary covers key concepts such as the roles of the adrenal and pituitary glands, blood glucose regulation, and the differences between Type 1 and Type 2 diabetes. Understand how the nervous and endocrine systems work together to maintain internal balance, featuring automatic control systems and reflex arcs. Ideal for biology students preparing for exams.
Explore the mechanisms of homeostasis, including the roles of the nervous and endocrine systems in regulating internal conditions such as blood glucose levels and body temperature. This summary covers key concepts like the reflex arc, the function of the pancreas, and the implications of diabetes. Ideal for Biology Paper 2 revision.
App Store
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