B1.4 and B1.5 0.0 / 5 ? BiologyB1.4GCSEAQA Created by: elisha.ksCreated on: 19-02-17 16:13 what do organisms require to survive and reproduce a supply of materials from their surroundings and from the other living organisms there 1 of 30 what do plants often compete with each other for light, space, and water and nutrients from the soil 2 of 30 what do animals often compete with each other for food, mates and territory 3 of 30 organisms and microorganisms have adaptations which enable them to do what survive in the conditions in which they normally live 4 of 30 what are extremophiles organisms which live in environments that are very extreme 5 of 30 what might extremophiles be tolerant to high levels of salt, high temperatures or high pressures 6 of 30 how are animals adapted to survive in dry environments large surface area compared to volume, thin insulating coat, small amount of body fat, camouflage 7 of 30 how are animals adapted to survive in arctic environments small surface area compared to volume, thick insulating coat, large amount of body fat, camouflage 8 of 30 how are plants adapted to survive in dry environments small surface area compared to volume (leaves), water storage tissues, extensive root systems 9 of 30 how might animals and plants be adapted to cope with specific features of their environment thorns, poisons and warning colours to deter predators 10 of 30 what affects the distribution of living organisms changes in the environment 11 of 30 two examples of how organism distribution has changed some bird species, and disappearance of pollinating insects such as bees 12 of 30 what can population size depend on competition, predation, disease and human influences 13 of 30 4 living factors that cause environmental change occurrence of infectious disease, number of predators, prey (availability of food source) and competitors 14 of 30 3 non-living factors that cause environmental change average temperature, average rainfall, level of air or water pollution 15 of 30 what can living organisms be used as indicators of pollution 16 of 30 living indicator example 1 lichens as air pollution indicators, particularly concentration of sulfur dioxide in atmosphere (air cleaner if lots of lichens) 17 of 30 living indicator example 2 invertebrate animals as water pollution indicators and used as indicators of the concentration of dissolved oxygen in water 18 of 30 non-living indicator example 1 oxygen levels: dissolved oxygen meters measure concentration of dissolved oxygen in water 19 of 30 non-living indicator example 2 rainfall: rain gauges to find average rainfall each year 20 of 30 non-living indicator example 3 temperature: satellites measure temp of sea surface/ automatic weather stations show atmospheric temp 21 of 30 why is the equipment good accurate 22 of 30 what's the pattern along a food chain the mass of living material (biomass) at each stage is less than it was at the previous stage 23 of 30 what happens to the biomass of organisms the material and energy contained by organisms is reduced at each successive stage 24 of 30 reason 1 some materials and energy are always lost in the organisms’ waste materials 25 of 30 reason 2 respiration supplies all the energy needs for living processes, including movement. lots of this energy is eventually transferred to the surroundings 26 of 30 what's the Sun's role Radiation from the Sun is the source of energy for most communities of living organisms 27 of 30 what do green plants and algae do absorb a small amount of the light that reaches them 28 of 30 what occurs during photosynthesis the transfer of light to chemical energy 29 of 30 what happens to this energy it's stored in the substances that make up the cells of the plants 30 of 30
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