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  • AQA A Level Biology - Topic 6 - Survival
  • AQA A level Biology - Topic 6 - survival
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AQA A level Biology - Topic 6 - survival and response questions with verified answers rated A+

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AQA A level Biology - Topic 6 - survival and response questions with verified answers rated A+ What Are receptors? Correct Answer-Detect stimuli- can be cells or proteins on cell surface membrane , loads of different types What are effectors? Correct Answer-Cells that bring about a response to a stimulus to provide an effect ( muscle cells, glands) Receptors communicate with effectors via the Correct Answer-Nervous or hormonal system or both What is a stimulus? Correct Answer-A change in the environment of an organism What is a tactic response? Correct Answer-Directional movement in response to a stimulus What is a kinetic response? Correct Answer-Non directional random movement in response to a stimulus What is a positive and negative taxis? Correct Answer-Positive taxis- organism moves towards stimulus Negative taxis - Correct Answer- organism moves away from stimulus What are the 3 types of neurones? Correct Answer-Sensory neurones

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