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Organisms respond to changes in their internal and external environments (a-level only)

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Organisms respond to changes in their internal and external environments (a-level only)

Homeostasis is the maintenance of a stable internal environment (a-level only)

2 best study notes in Homeostasis is the maintenance of a stable internal environment (a-level only)

210

Biology - Homeostasis & excretion

A few notes picked from YouTube videos, class notes, save my exams and the infamous kerboodle textbook. I am aware I’m missing a few things so feel free to ask questions!!

Know Higher Human Biology, Physiology & Health Key Area 1-4 thumbnail

237

Biology - Higher Human Biology, Physiology & Health Key Area 1-4

Revision notes for higher human biology

Nervous coordination (a-level only)

1 best study notes in Nervous coordination (a-level only)

Know Topic 6 Organisms respond to change in their internal and external environments thumbnail

270

Biology - Topic 6 Organisms respond to change in their internal and external environments

Contains revision notes for all the topic 6 content following the specification