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Summary - Unit 6 - Organisms respond to changes in their internal and external environments £5.16   Add to cart
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  7. Unit 6 - Organisms respond to changes in their internal and external environments

Summary

Summary - Unit 6 - Organisms respond to changes in their internal and external environments

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This is an in depth pack of notes covering all of 3.6.1 of the AQA specification . These are crucial notes needed to apply to A level biology exam questions. This information will be easy to revise with as it is condensed yet detailed perfect for revision.

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  • November 6, 2024
  • 6
  • 2024/2025
  • Summary

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, Taxes and kinesi
Plants Animals
- carbon dioxide - food
- sunlight - water
- water - oxygen
- light intensity - warmth
- ph levels in soils
- optimum temp
- minerals (active transport).
Orientation behaviours - allows organisms to move towards a favou
environments or away from an unfavourable environments.
Humidity - lots of moisture in the air
Favourable Unfavourable
- more good - less food
- less chance of predation - more chance of predati
- moist - not/less humidity
- Ideal temp - not ideal temp
Taxis- the directional movement towards or away from a stimulus
Positive phototaxis - moves towards light Kinesis - the non- direction

Positive chermotaxis - moves towards to a stimulus by turning sh

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