How it all fits together
One idea ties the chapter together: living things differ, and the differences have reasons. We group them to understand the differences, explain them with adaptations to habitats, and protect them because they depend on each other.
Click any branch to open or close it. Dotted boxes are the end of a branch.
How the ideas connect
Links worth saying aloud — this is what turns facts into understanding.
1 · One seed predicts the whole plant
Count the cotyledons and you can predict two other features: 2 → reticulate leaves + taproot; 1 → parallel leaves + fibrous roots.
2 · Conditions → adaptations → biodiversity
Different regions have different conditions (heat, snow, wind, water). Living things there have adaptations to match — which is exactly why the biodiversity of regions differs.
3 · Same animal, different home, different body
The two camels and the two rhododendrons show that even one kind of living thing changes its features to suit its habitat.
4 · Habitat loss breaks the web
Because plants and animals depend on each other, damaging one habitat removes homes and food for many — so biodiversity falls. Conservation projects and sacred groves protect the web.
Self-test — rebuild the map from memory
Close the tree above, then tick each one you can say out loud without looking.