Capture-recapture method
Ecosystems
Abundance and distribution
Kite diagrams
Coastal habitats
Biodiversity
Natural native woodlands vs artificial forestry plantations
Natural lakes vs artificial fish farms
How plants use glucose
Historical experiments (e.g. Jan van Helmont and Joseph Priestly)
Diffusion
Leaf structure
Photosynthesis
Respiration
Leaf adaptations
Osmosis
Phloem and xylem
Root hairs
Transpiration
Plant adaptations
Minerals
Decay and decomposers
Types of farming (e.g. intensive)
Biological control