Patterns in Nature
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Compound | A pure substance made up of two or more chemical elements bonded together
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| saturated | maximum uptake of a substance has been achieved
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| Antibodies | A type of protein that reacts in a specific antigen, part of the body defence mechanism
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| Aqueous | Used to describe substances that contain water
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| Biconcave | Concave shape on either side of a lens
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| Bond | Something that combines or holds things together
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| Brownian Motion | Describes a pattern of random movement of particles in liquids or gases
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| Cloaca | The terminal part of the gut in most vertebrates except the higher mammals
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| Compound | A pure substance composed of two or more elements
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| Ion | An atom that carries a charge due to loss or gain of electrons
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| Isotonic | Similar solute concentration as another fluid
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| Lenticel | Pope found on stems and roots in higher plants for gas exchange
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| Lignin | Thickening substance found in cell walls of plants
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| Lymph Glands | Organs in the body that produce lymph or interstitial fluid which is clear and assists in the bodies defence system
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| Magnification | To increase the size of somethig
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| Mangroves | Vegetation found in estuarine areas
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| Metabolism | Describes the chemical reactions occurring within an organism.
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| Monosaccharide | A molecule with a single unit of sugar
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| Multicellular | Organisms composed of more than one cell
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| Nectar | A sugar secretion of a plant that attracts birds and insects
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| Organelle | Any part of a cell that has a specific functional role
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| Organism | Any living plant or animal
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| Orifice | A tube like opening
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| Oxidation reaction | A chemical reaction in which the proportion of oxygen in the molecules is incrased
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| Plasma membrane | Also called cell membrane, the outer boundary of a cell
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| Polysaccharides | A molecule with multiple of sugar
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| Precipitate | A solid formed from the reaction of two liquid substances
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| Prion | An infectious particles composed of protein, containing no genetic material
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| Radioisotope | Natural or artificial isotope exhibiting radioactivity, used as a source for medical or industrial purposes
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| Resolution | The ability of optical instruments to produce separate images of close objects
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| Respiration | The process by which carbohydrates and oxygen are combined to release energy, carbon dioxide and water
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| Desiccation | The drying out or removal of moisture
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| Disaccharide | A molecule with double units of sugar
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| Distended | Enlarged, stretched or swollen
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| Enzyme | A highly specialised cellular protein that reduces the amount of energy required to initiate a chemical reaction, thereby increasing the speed of reaction
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| Flaccid | Limp
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| Guard Cells | Pair of specialised cells in a plant epidermis forming a pore or stomate
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| Haemoglobin | A protein molecule found in red blood cells that transport oxygen
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| Histologist | A person who studies detailed or microscopic tissue structure
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| Hypertonic | Higher solute concentration than other fluid
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| Hypotonic | Lower solute concentration than another fluid
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| secrete | top produce and pass through a membrane out of a cell
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| stomata | a pore through which gas exchange takes place, usually located on a leaf
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| translucent | diffuse transmission of light through a surface that is not smooth
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| tripe | lining of a ruminant stomach
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| turgid | describes the swollen or distended state of a cell
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| unicellular | describes organisms composed of only one cell
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| vesicles | a small sac like structure
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| villi | finger like growth on the inside wall or lining of the small intestine
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| viscosity | the tendency of a material to resist movement through it.
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