All of the plants and animals living in a certain area
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POPULATION
The number of a certain plant or animal present in a community
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DIFFUSION
The net movement of gases or small molecules through a partially permeable membrane. From an area of high concentration to an area of low concentration
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OSMOSIS
The net movement of water through a partially permeable membrane, from an area of high concentration to an area of low concentration
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CHLOROPHYLL
Geen pigment found chloroplasts used to collect light used for photosynthesis
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TURGID
Plant cell is full of water
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PLASMOLYSED
Plant cell loses water and becomes flaccid
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LYSIS
Animal cell swells and bursts when too much water enters
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CRENATION
Animal cell shrinks into a scalloped shape when too much water is lost
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TRANSPIRATION
the evaporation and diffusion of water from the leaves
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TRANSLOCATION
the movement of food substances up and down a plant stem
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XYLEM
vessels made of dead, hollow cells that carry water and minerals up from the roots to the leaves (tranpiration)
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PHLOEM
columns of living cells that carry food and sugars up and down the stem to growing and storage tissues (translocation)
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DETRITUS
dead and decaying material
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DETRITIVORES
animals that feed on dead and decaying material
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SAPROPHYTE
fungi or bacteria that feed on detritus
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EXTRACELLULAR DIGESTION
fungi produce enzymes to digest food outside their cells and then reabsorb the simple soluble substances
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ORGANIC FARMING
does not use artificial pesticides or fertilisers only manure, compost, crop rotation etc
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CROP ROTATION
changing the crop growing in a certain area so thaty certain minerals are not depleted and there is a longer crop time
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BIOLOGICAL CONTROL
using living organisms to control pests
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INTENSIVE FARMING
uses artificial fertilisers and pesticides for maximum crop yeild
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Other cards in this set
Card 2
Front
All of the plants and animals living in a certain area
Back
COMMUNITY
Card 3
Front
The number of a certain plant or animal present in a community
Back
Card 4
Front
The net movement of gases or small molecules through a partially permeable membrane. From an area of high concentration to an area of low concentration
Back
Card 5
Front
The net movement of water through a partially permeable membrane, from an area of high concentration to an area of low concentration
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