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6. How has the use of antibiotics in farming adversely affected humans?
- Increased antibiotic resistance
- More meat
- Increased human disease
7. Which of these isn't a reason why only 1% of the suns energy is not used in photosynthesis?
- Light may not fall on Chlorophyll
- Reflected back into space
- Used for respiration
- Wrong wavelength
- A limiting factor
8. What is it called when extra fertilizers has no impact on yield?
- Rubbish fertilizer
- Law of diminishing returns
- Limiting factor
9. What is the efficiency of this energy transfer - Rabbit has 6350KJm-2 year-1 a fox has 1250KJ m-2 year-1?
- 66.6 KJ m-2 year-1
- 508%
- 19.8%
- 19.8KJ m-2 year-1
10. What is net production?
- Energy used as biomass
- Light trapped by plant
- Energy lost during respiration
- Energy gained during respiration
11. Which of these is an advantage of biological control?
- Doesn't kill natural preditors
- Irradiates all pests
- Quick
12. Which pyramid does consider time as a factor?
13. Which pyramid is this a positive for - easy to read and understand?
14. What is a detritrove?
- Has a mouth and breaks down dead matter
- An enzyme that breaks down dead matter
- Dead matter
15. Which of these is not a pest control measure?
- Fertiliesr
- Vacuuming
- Pest resistant plants
- Natural preditors
16. What is on the first trophic level
- Producer
- Consumer
- Fox
- Bird
17. What additional energy is added to a agricultural ecosystem?
- Fossil fuels
- Food and fossil fuels
- Chemical and solar
- Sun, food and fossil fuels
18. How does restricted movement aid rate of growth?
- Less energy in muscle contractions
- Not targeted by preditors
- Less heat loss