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16 Cards in this Set
- Front
- Back
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Abiotic condition
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A non living feature of an ecosystem.
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Abundance
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The number of individuals of one species in a particular area.
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Accurate result
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A result that is really close to the true answer.
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Acetylcholine (ACh)
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A type of neurotransmitter that binds to cholinergic receptors.
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Acquired mutation
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A mutation developing during your lifetime.
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Actin
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The thin myofilament protein in muscle fibres.
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Actin-myosin cross bridge
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The bond formed when a myosin head binds to an actin filament.
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Activator
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A transcription factor that increases the rate of transcription.
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Adaption
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A feature the increases the individual's chance of survival and reproduction.
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ADP (Adenosine diphosphate)
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A molecule made up of adenosine, a ribose sugar and two phosphate groups. ATP is synthesises from ADP and a phosphate group.
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Adrenaline
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A hormone secreted from the adrenal glands that has many effects, including increasing the blood glucose concentration.
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Age-population pyramid
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A diagram showing the age structure and gender of a population.
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Allele
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One or more alternative versions of the same gene.
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Allele frequency
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How often an allele occurs in a population.
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Ammonification
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The process in which nitrogen compounds from dead organisms or waste material are turned into ammonium compounds by decomposers.
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Anomalous data
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Measurements that fall outside the expected range of values you'd expect or any pattern you already have.
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