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4 Cards in this Set
- Front
- Back
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Define homeostasis. (1) |
Maintenance of constant internal conditions despite fluctuations in the external environment
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Explain polygenic trait with a specific example. (3) |
• Characteristic controlled by multiple genes • Phenotypes show continuous variation • Example: Human skin colour |
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Define pandemic. (2) |
Outbreak of a disease across multiple continents |
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State how infectious diseases differ from other types of diseases |
• Caused by pathogen • Contagious |
