This video covers:
- The idea that biomass is just the mass of living organisms
- Pyramids of biomass show the amount of biomass at each trophic level of a food chain
- Why the amount of biomass decreases as you go up the food chain
- How to calculate the efficiency of biomass transfer between levels in a food chain
Exam board specific info:
AQA - Separate/triple science only
IGCSE Edexcel - Everything is relevant to your course! But you also need to know about pyramids of number and energy, which are very similar.
Edexcel - Separate/triple science only
OCR 21st Century - Separate/triple science only
OCR Gateway - Separate/triple science only
Maths Playlist:
• GCSE Maths (9-1)
GCSE Chemistry playlist:
• GCSE Chemistry - Atoms...
GCSE Biology Playlist:
• Video
GCSE Physics Playlist:
• Video
7 июл 2024