Core Biology Chapter 5 AQA 0.0 / 5 ? BiologyVariety of life and classificationGCSEAQA Created by: taylagreen16Created on: 20-04-16 15:24 Define the term biomass Mass of living material in plants and animals 1 of 16 What is a pyramid of biomass Represents the mass of living organisms at each stage in a food chain 2 of 16 Why are plants always at the base of the pyramid Plants start the process of energy transfer in living organisms 3 of 16 What do green plants transfer Solar (light) energy to chemical energy which is then passed through the food chain 4 of 16 Does the biomass increase or decrease compared to the previous stage Decrease 5 of 16 What does energy wastage between the stages mean Not all the energy taken in by organism results in growth 6 of 16 How do animals keep a constant body temp in terms of the pyramid Energy from the previous stage is used 7 of 16 Which process in cells releases energy from food material Respiration in cells releases energy from food 8 of 16 What is a detritus feeder and give one example Worms - I Starts the process of decay by eating dead animals/plants 9 of 16 What are decay organisms and what is the correct term Break down the waste or dead animals/plants 10 of 16 How can you speed up the process of decay Make the conditions warm and wet 11 of 16 What does recycling do to the environment It returns nutrients to the soil 12 of 16 What do waste vegetables contain Organic waste which can be recycled 13 of 16 What is the most effecient way of composting Allowing waste to be mixed with oxygen and moisture- allows energy to escape by heating the surroundings 14 of 16 Why do gardeners add worms to compost To speed up process of decay 15 of 16 Suggest why councils shred garden waste before putting it into big bins Smaller pieces have a larger surface area for microorganisms to attack, increase rate of decomposition 16 of 16
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