2 Ecological Pyramids Exercises lecture notes PDF

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These are notes on ecological pyramids. This would be helpful if you are taking any science course especially environmental science or Biology...

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Ecological Pyramids Exercises Draw all the ecological pyramids to a suitable scale. Give each a title and label each trophic level. Pyramids of Numbers 1 hectare of grassland Producer --> Primary Consumer --> Secondary Consumer --> Tertiary Consumer 15 000 000 --> 2 000 000 --> 900 000 --> 10 Pyramid of numbers for one oak tree Oak tree --> Insect larvae --> Blue tits --> Tawny owl --> Bird lice 1 --> 500 000 --> 20 --> 1 --> 100 000

Pyramids of Biomass 10 m2 plot of Savannah grassland (0.5 cm = 1000g dry biomass). 11000 --> 800 --> 400 --> 80 Draw the pyramid of biomass for a 100 m2 temperate lake ecosystem in North America (1 cm = 1000 Jm-2). 2000 --> 10000 --> 4000 --> 1000

Pyramids of Productivity

1m2 of tropical rainforest, measured in Jm–2yr–1 3398 --> 155 --> 46 --> 6...