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AQA A-Level - Biology
Organisms respond to changes in their internal and
external environments
(A-level only)
AQA | A-Level | Biology | Organisms respond to changes in their
internal and
external environments (A-level only) | Lesson 28
Stimuli, both internal and external, are detected
and lead to a
response (A-level only)
Go to Lesson 29
AQA | A-Level | Biology | Organisms respond to changes in their
internal and external environments (A-level only) | Lesson 29
Nervous coordination (A-level only)
Go to Lesson 30
AQA | A-Level | Biology | Organisms respond to changes in their
internal and external environments (A-level only) | Lesson 30
Skeletal muscles are stimulated to contract
by nerves and act as
effectors (A-level only)
Go to Lesson 31
AQA | A-Level | Biology | Organisms respond to changes in their
internal and external environments (A-level only) | Lesson 31
Homeostasis is the maintenance of a
stable
internal environment
(A-level only)
Go to Lesson 32
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