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A fish enthusiast wishes to increase the amount of fish possibly sustained in his fish tank.
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Michael Walters 12X Ward Biology Coursework GCSE 2001/2002 Problem A fish enthusiast wishes to increase the amount of fish possibly sustained in his fish tank. However, he cannot afford to upgrade his filtration systems, buy a larger tank, buy more fish, buy a tank heating system or buy more pondweed. Possible factors Having been told that the financial restrictions on this problem are endless, we can only conclude that we must alter the level of oxygen in the water, allowing more fish to breath. To do this, we must increase the photosynthesis levels in the current pondweed. So to find out the possible factors, we must look at what factors would affect the rate of photosynthesis: 1. FOOD LEVELS IN THE PLANT 2. HEAT INTENSITY 3. LIGHT INTENSITY 4. WATER LEVELS We must now eliminate the water, heat and food factors as all three either need to be financed (food levels and heat intensity)...
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