Pyramids of number - Are not always true pyramids, Biotic factors - New pathogens, new predators, availability of food, Abiotic factors - Temperature, soil pH, wind intensity, light levels, Extremophiles - Organisms adapted to survive extreme temperature and pH, Photosynthesis - This process removes CO2 from the atmosphere, Respiration - This process adds CO2 to the atmosphere, A stable community - Number of predator and prey rise and fall in cycles, Anaerobic respiration - This process can produce methane gas to use as fuel, Deforestation - Provides land for cattle and rice fields, Apex predators - Carnivores with no predators, Trophic level - A feeding level in a food chain/web, Keep fishing sustainable - Controlling net size and fishing quotas, Decomposers - Break down animal and plant matter by releasing enzymes, Fusarium - A fungus used to make mycoprotein, Peat bogs - The decay of these releases CO2, Reasons for loss of biomass through a food chain - Respiration, excretion, indigestible material, 10% - The percentage of energy transferred from one trophic level to another, 1% - The percentage of the sun's energy absorbed by green plants,

B7 Ecology Spec points

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