Biology That Makes Sense
Don’t just take biology. Understand it!
Hosted by 2 expert guides
Strong scientists don't just memorize facts, they understand how living systems work. This high school biology class helps you do both.
Each week covers one biology concept. You can join any week and won't feel behind. Stay through the year and you'll complete a full high school biology sequence.
No labs, no supply lists, no extra materials to order. Just clear, consistent biology instruction that makes the content make sense.
Great fit if you want structure, good discussions, and a complete biology foundation without a crushing workload.
Homework and graded assignments available upon request.
January/February - Human Body Systems
How the human body works as one connected system
• Circulatory system
• Respiratory system
• Digestive system
• Nervous system and reflexes
• Muscular and skeletal systems
• Endocrine system
• Homeostasis and balance
• Energy in body systems
March/April - Cells and Genetics
How life begins, functions, and passes on traits
• Cells and their structures
• Organelles and cell functions
• Cell membranes, diffusion, and osmosis
• Mitosis and meiosis
• DNA, replication, and mutations
• Heredity, traits, and Punnett squares
• Intro to modern genetics and CRISPR basics
End of April/May/June - Evolution and Biotechnology
How life adapts and how science shapes the future
• Biotechnology and genetic engineering
• Cloning
• Genetic disorders
• Evolution and natural selection
• Adaptations and survival
• Fossils and evolutionary evidence
• Comparative anatomy
• Artificial selection
Mid June to Mid July - Ecology and the Environment
How living things interact with Earth
• Energy flow and food webs
• Ecosystem interactions
• Human impact
• Climate change and habitat loss
• Natural resources and sustainability
Pick a time
Age ranges are just suggestions! You can register for any cohort.
Meet the guides
Expert guides leading this course
Course updates
Updates from guides of this course
2 days ago
Great job today, everyone, talking about the cell membrane, osmosis, and diffusion. I loved our activity, and following it with a game was a blast as well. Happy Friday!
5 days ago
Great job today you two learning about prokaroytic and eukaroytic cells! I loved the games at the end and the sportsmanship we showed each other! Wishing you both a beautiful Tuesday!
Mar 6 @ 6:47 PM
Great job today talking about prokaryotic and eukaryotic cells! I absolutely loved our two games we played today as well! I always have so much fun with you all! Happy Friday!
Mar 3 @ 9:01 PM
Great job today on our plant and animal cells! I love the tower defense game...we can definitely try the first one next week! Great effort on all the new material we learned today; you two are amazing!
Feb 27 @ 6:50 PM
****************************************************
Feb 24 @ 9:03 PM
Great job today in class, everyone! I loved learning about energy systems with both of you, and I loved all of our talk about food (now I am hungry) :)
Our two games at the end were a blast! (I am not great a lazer tag, but I still had so much fun) :) Wishing you all a great week...
Feb 20 @ 7:40 PM
Thank you, ****** and ******, for another wonderful class! I loved talking about different ways our bodies use energy today, and I loved our cafe game at the end! I thought that was truly fitting! Enjoy the weekend.
Feb 17 @ 9:36 PM
Hi, ********! ***** **** ** ***** *****; ** ******** ***** ********** ***** ************ *** *** ***, *** ** ***** *** ****** *** *****! *** ***** ** *** *** ** ** **** ** ** **** *** ****! ****************, ****, ** *** *** ***, *** ***** **** ** ********* *****! ***** ********!
Feb 13 @ 6:57 PM
What another great class, everyone! I loved learning about homeostasis with you, and I love the different examples we came up with. Our game was so much fun as well; I am wishing you all a beautiful weekend!
Feb 10 @ 9:11 PM
It was so nice to learn about the endocrine system with you, ****! I love our discussions, and I really liked the two games at the end of class. Thank you for asking great questions and for always being so funny during our classes. You are the best!
Feb 6 @ 7:14 PM
**********************************************************
Feb 3 @ 9:06 PM
Great work today, ****! I loved discussing the muscular and skeletal system with you! I love our discussions, and I always look forward to our game at the end; congratulations on the win again! Rematch next week :)
Jan 27 @ 9:02 PM
****, I loved learning about the nervous system with you! I love how you always bring so much enthusiasm to every meet, always come prepared, and ready for a great game at the end of class. YOU are AMAZING! Happy Tuesday!
Jan 23 @ 6:47 PM
Hi everyone! Great work today learning about the nervous system, *************** **********, and *************** *********! I loved our discussion and enjoyed the games at the end of class as well. You are all amazing!