KINDERGARTEN — first playful steps into biology
Big, simple ideas for a curious 4–6 year old: what makes something alive, and the amazing body and senses you use to explore the world.
In a nutshell
Living things breathe, eat, grow, move and make babies — non-living things need something else to do all that for them.
PRIMARY — animals, plants and how they live
Hands-on science for a 7–10 year old: grouping living things, their basic needs, and the life cycles, food chains and habitats that connect them.
In a nutshell
Animals and plants can be sorted into groups, and every living thing needs air, water, food, light and space to survive and grow.
MIDDLE SCHOOL — the machinery beneath living things
From atoms to cells to membranes: the foundations of biological chemistry and cell biology, built for an 11–13-year-old ready to go deeper.
In a nutshell
Living things are built from atoms and cells, and every cell — bacteria or human — runs on the same basic chemistry, membranes and enzymes.
HIGH SCHOOL — building the real machinery of life
Photosynthesis, cell division, genetics, molecular biology, evolution, physiology and ecology — the core high-school and early-university biology curriculum, in full rigour.
In a nutshell
Cells divide, pass on genes, and turn sunlight and food into energy — the machinery that builds bodies and drives evolution.
COLLEGE — university-level depth
Real mechanism and rigour: the molecular machinery of the gene, the immune system's defence logic, the electrical life of neurons, and the mathematics of ecosystems.
In a nutshell
At university level, biology becomes mechanism: the exact enzymes, immune cells and neurons that carry out what earlier chapters described in outline.