Ecology resources
Biology, grade 11. Notes, worksheets, videos, interactive tools and revision materials for this chapter.
Notes
Study notes
The chapter's lessons are the notes — read them in order, then use the resources below.
01Food WebsBuild food webs and identify producers, consumers, predators and decomposers.Read lesson →02Pyramids of BiomassConstruct pyramids of biomass and explain why energy transfer is inefficient.Read lesson →03The Carbon CycleFollow carbon through photosynthesis, respiration, decay and combustion.Read lesson →04Humans and the EnvironmentEvaluate deforestation, pollution and global warming, and how we can respond.Read lesson →
Worksheets
Practice worksheet
Attempt every question before revealing the answer — that struggle is where learning happens.
Practice questions live inside each lesson — work through them there, then return for revision.
Videos
Watch and learn
Hand-picked searches to find a clear video explanation of each lesson.
Revision
Revision checklist
Can you explain each of these out loud, without looking? If not, re-read that lesson.
- Food Webs: Build food webs and identify producers, consumers, predators and decomposers.
- Pyramids of Biomass: Construct pyramids of biomass and explain why energy transfer is inefficient.
- The Carbon Cycle: Follow carbon through photosynthesis, respiration, decay and combustion.
- Humans and the Environment: Evaluate deforestation, pollution and global warming, and how we can respond.
- Read each lesson's summary and re-do its practice questions from memory.