D3.1.12—Seed dispersal and germination
Seed dispersal moves offspring away from parents, while germination requires water, oxygen and suitable temperature to mobilize stored food reserves.
- Syllabus
- First assessment 2025
- Objective
- D3.1.12
- Level
- SL
Concept essentials
- Water uptake is the first step that reactivates metabolism in a dry seed.
- Gibberellin stimulates amylase production during germination of starchy seeds.
- Cotyledons store reserves used for embryo growth during germination.
ConceptIB Biology SL