1. Which pyramids cannot have an inverted triangle
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2. What additional energy is added to a agricultural ecosystem?
- Food and fossil fuels
- Fossil fuels
- Sun, food and fossil fuels
- Chemical and solar
3. Which pyramid does consider time as a factor?
4. What is net production?
- Energy lost during respiration
- Energy used as biomass
- Light trapped by plant
- Energy gained during respiration
5. An advantage of inorganic fertilizers?
- Adds extra organic matter
- Soluble so has a quick effect
- Doesn't leach