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High School Biology - What You Need to KnowShow me
Check out the complete list of topics you need to master to get a great grade in Biology. Expert teachers have outlined the major units and split them into easy-to-follow sections. We tie each one to key standards (such as AP) and include sample video lessons to help you.
Top Topics in Biology
Each video lesson contains topics that were captured by the teacher to describe its content. The following topics are the most commonly used ones with the number of lessons noted next to the name.
Featured Teachers in Biology
Explore lessons from some of our favorite Biology teachers. Each of them has a unique teaching style. Finding the right teacher for each individual student helps maximize engagement and retention of concepts.
Mr Paul Andersen
Paul Anderson covers a wealth of topics, from anatomy to photosynthesis, in an in-depth way that is somehow still accessible to everyone. Be sure to check out his lessons on DNA and evolution.
View all of Mr Paul Andersen's lessons
Kristina Gremski
Kristina Gremski covers some great topics on our site, but perhaps her strongest topic is a five-part series on plant reproduction and development. Get a peek at some of these here.
View all of Kristina Gremski's lessons
Mary Poffenroth
For short, succinct lessons on some hard-to-discern topics, the Knowmia team likes Mary Poffenroth. Be sure to check out her lessons on ecosystems and biodiversity.
View all of Mary Poffenroth's lessons
Browse All Lessons in Biology
Explore all Biology lessons in our library. The best way to look for a specific lesson is to search for specific topics using the search box on the top of the page.
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'My favourite trees'
by nottinghamscience
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007 What is an action Potential
by Leslie Samuel
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029 A General Overview of How Senses Work
by Leslie Samuel
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030 How Eyes Work - An Introduction
by Leslie Samuel
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041 An Introduction to Skeletal Muscle Contraction
by Leslie Samuel
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042 How Calcium ion release results in Muscle Contraction
by Leslie Samuel
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043 The details of Muscle Contraction
by Leslie Samuel
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069 The Meninges of the Central Nervous System
by Leslie Samuel
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070 What is a disease?
by Leslie Samuel
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071 The Five Causes of Disease
by Leslie Samuel
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072 The Four Types of Cellular Adaptation
by Leslie Samuel
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1. Raw data.mp4
by Mr William Duncan
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1.1 Atoms and Molecules in Living Things
by braingenie
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1.1.1 - What is Life?; The Scientific Method
by David Marcey
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1.1.1 Common Elements in Living Things
by braingenie
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1.1.2 - Evolutionary Theory as an Example of the Scienctific Method I
by David Marcey
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1.1.2 What is the structure of water
by braingenie
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1.1.3 - Evolution, continued
by David Marcey
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1.1.3 What makes water unique
by braingenie
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1.1.4 - Evolution, continued
by David Marcey
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