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Biology revision - Coggle Diagram
Biology revision
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Osmosis
the process in which water transfer from a high water concentration to a lower water concentration, through the partially permeable membrane
what affects osmosis
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surface area
larger the area, better the osmosis
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when does it occurs
Osmosis occurs until the concentration gradient of water goes to zero or until the hydrostatic pressure of the water balances the osmotic pressure
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where
in cell, because they have a partially permeable membrane
passive, no energy is require
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MRS NERG
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nutrition
absorb energy, food and nutrients
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nitrogen cycle
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nitrogen fixation
when changing from nitrogen to ammonium and nitrates in root nodules in legumes(beans, pea)
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carbon cycle
decomposition
when bacteria and decomposers breaks won dead and decay organisms which release the co2 stored in them
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photosynthesis
the process in which plants take in carbon dioxide, water and sun energy to produce glucose and oxygen
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transpiration
When the plant opens its stomata to let in carbon dioxide, water on the surface of the cells of the spongy mesophyll and palisade mesophyll evaporates and diffuses out of the leaf.
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types of organism
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herbivores
only eat grass, primary consumer
carnivours
eat meat, secondary/tertiary
omnivores
eat both meat and grass, secondary
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Plants nutrition
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Phosphates
dark leaves, stunted growth
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turgor Pressure
flaccid
turgor pressure is high, the water content push the cell walls
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Photosynthesis
the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
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Diffusion
the passive process in which the net movement of molecule from a higher concentration to a lower concentration until equilibrium is reached
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Translocation
movement of sugar produced in photosynthesis to all other parts of the plant for respiration and the other processes described above. This occurs in phloem cells.
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