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The best A - level Biology notes Topic : 3 (AQA)

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2023/2024 Written for academic year
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These notes have taken students from grades D- A* All by learning the following notes. These notes are absolutely necessary for A* wannabes. All slides cover every topic on the AQA specification. Students are simply required to learn the content, and the highlighted information to secure their A* From personal experience: these notes allowed me to achieve an A* at A-levels, whilst being predicted a ‘C ‘ (Try them out!!! I assure you they will be worth the purchase as well as time studying them ) Happy studying, Biology Guru

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SA : V Ratio
a
large
means there
SA : U Ratio
is more

exposed surface area


↳ more areas for
diffusion to take

place

s
I .


It
-
3um
3cm




.
~ I




A
SA :54cm
I
both cubes have
A Y..

the volume
same ↓
SA :S
however
, lots of the area twice the
is volume
of the one

within
large cube
the middle
held

the cube made of smaller
cubes has more
surface
exposed to the environment


- more heat lost so

animals in cold higher metabolic rate

Climates tend to have to maintain temperature
Small SA I V ratios

↳ means heat isn't
lost as
easily

Document information

Study Level
A/AS Level
Subject
A Level Biology
Uploaded on
June 25, 2024
Number of pages
15
Written in
2023/2024
Type
Class notes
Professor(s)
Whitlock
Contains
Paper 1
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