Skip to main content

Courses About Pricing Educators

Sign in Get started

Courses About Pricing Educators

Get started Sign in

Loading courses

Loading course

Biology: Uncharted

CoursesBiology

Biology

Why bruises change color, why cut apples brown, why children resemble their parents without copying them. The living world you already inhabit, explained from the cell up: plants, animals, heredity, and the ecosystems that tie them together.

Easy to Intermediate
12 units
240 lessons

Follow the units in order, or explore any lesson that interests you.

Sign in to start

Course syllabus

12 units

1. What Is Life?
Start with the signs of life, then use cells and a microscope to see what ordinary appearances hide.
20 lessonsStart here
Loading lessons…
2. Cells at Work
Follow particles, water, fuel, and copied instructions through the everyday work of cells.
20 lessons
3. The Microbe World
Meet bacteria, fungi, and viruses, then use temperature, water, and hygiene to reason about them.
20 lessons
4. Plants: Form and Function
Trace water from soil through roots, stem pipes, leaf veins, and open pores.
20 lessons
5. Plants: Making Food
Track light, water, carbon dioxide, sugar, and oxygen through a living leaf.
20 lessons
6. Plants: Flowers and Seeds
Follow pollen into fruit, seeds across a landscape, and a waiting embryo into growth.
20 lessons
7. The Animal Kingdom
Sort animals by body plans, vertebrate classes, and habitat-fitting adaptations.
20 lessons
8. Body Systems I: Fuel and Transport
Connect digestion, breathing, blood flow, and working cells in one supply chain.
20 lessons
9. Body Systems II: Control and Defense
Route signals, interpret senses, regulate temperature, and remember invaders.
20 lessons
10. Heredity
Treat inheritance as paired versions, chance-filled grids, and honest small-number expectations.
20 lessons
11. DNA and Variation
Read the four-letter code, copy it, change it, and select among its variation.
20 lessons
12. Ecosystems, Evolution, and the Long Game
Trace energy, populations, selection, and deep time across connected living systems.
20 lessons

240 lessons across 12 units. Start with any published unit.