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Coordination and Response in Flowering plants Understand that plants respond to stimuli Describe the geotropic responses of roots and stems Describe positive phototropism of stem Reproduction in Flowering Plants Describe the structures of an insect-pollinated and a wind-pollinated flower and explain how each is adapted for pollination The growth of the pollen tube followed by fertilisation leads to seed and fruit formation How germinating seeds utilise food reserves until the seedling can carry out photosynthesis Plants can reproduce asexually by by natural methods (illustrated by runners) and by artificial methods (illustrated by cuttings) The Organism in the Environment Population, community, habitat and ecosystem Use of quadrats to estimate the population size of an organism in two different areas Describe the use of quadrats as a technique for sampling the distribution of organisms in their habitats.Feeding Relationships Names given to different trophic levels to include producers, primary, secondary and tertiary consumers and decomposers The concepts of food chains, food webs, pyramids of number, pyramids of biomass and pyramids of energy transfer The transfer of substances and of energy along a food chain Why only about 10% of energy is transferred from one trophic level to the next Cycles within Ecosystems The stages in the water cycle, including evaporation, transpiration, condensation and precipitation The stages in the carbon cycle, including respiration, photosynthesis, decomposition and combustion The stages in the nitrogen cycle, including the roles of nitrogen fixing bacteria, decomposers, nitrifying bacteria and denitrifying bacteria (specific names of bacteria are not required) Human influences on the environment Tthe biological consequences of pollution of air by sulfur dioxide and by carbon monoxide Water vapour, carbon dioxide, nitrous oxide, methane and CFCs are greenhouse gases How human activities contribute to greenhouse gases How an increase in greenhouse gases results in an enhanced greenhouse effect and that this may lead to global warming and its consequences The biological consequences of pollution of water by sewage including increases in the number of microorganisms causing depletion of oxygen Eutrophication can result from leached minerals from fertiliser The effects of deforestation, including leaching, soil erosion, disturbance of the water cycle and of the balance in atmospheric oxygen and carbon dioxide Use of Biological Resources Food Production How glasshouses and polythene tunnels can be used to increase the yield of certain crops The effects on crop yield of increased carbon dioxide and increased temperature in glasshouses The use of fertiliser to increase crop yield Beer Production The role of bacteria (Lactobacillus) in the production of yoghurt Industrial fermenter Fish Farming Selective Breeding Genetic Modification Micropropagation Commercial plant growing Mammal Cloning Cloned transgenic animals You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics.Molecular geneticist Professor Andrea Doseff, of Ohio State University, said: 'We know we need to eat healthfully, but in most cases we do not know the actual mechanistic reasons for why we need to do that.In its relationship with a set of specific proteins, apigenin re-establishes the normal profile in cancer cells.When we talk organic methods, there is a lot of information floating around the internet about various techniques through which you can attain healthy glowing skin.But what we wanted to do was to figure out TRUSTED methods that could work for your skin, without any shred of doubt.Another important factor that people forget to do is to get rid of makeup at night before they sleep.Again, a lot of people do claim to do this before they get to bed, but are you doing it properly?

Mom-to-be: At the beginning of your period, about 20 eggs called ova occupy fluid-filled sacs called follicles.

The nurse who examined me revealed that she had herpes and said it was no big deal.

There are a lot of ways to get healthy skin, but one of the most effective over the generations has been through natural and organic means.

It hurt to walk, and I couldn't use soap anywhere near my genital area.

I knew enough about sexually transmitted diseases to know that I had herpes, but I didn't know exactly what to do.

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