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1. Variation and
Inheritance
Starter:
Group together the different organisms.
Explain why you have grouped them in this
way.
Support:
Challenge:
Why do all the organisms not look exactly the
same?
Learning Objective: To explore variation
Success criteria:
 Categorise organisms.
 Compare inherited and environmental variation.
 Evaluate the study of identical twins for variation.
https://www.blends
pace.com/lessons/Y
Wzu8Lcb6KMpgQ/
Reading support: https://www.bbc.co.uk/bitesize/topics/zpffr82/articles/z6s26yc​
Audio/visual support: https://www.youtube.com/watch?v=jUHokSPkzT8&feature=emb_title

2. Variation and Inheritance
Categorise
organisms.
Compare inherited
and environmental
variation.
Evaluate the study
of identical twins
for variation
Key words: organisms, inherited, environmental, variation,
inheritance

3. Environmental and Inherited Variation
Inherited variation: Characteristics that come
from your parents
Environmental variation: characteristics that are
caused by your surroundings.
Inherited Environmental
Eye colour
Scar
Height
Tattoo
Hair colour Freckles
Challenge: Can you think of any more examples?
Learning Objective: To explore variation
Success criteria:
 Categorise organisms.
 Compare inherited and environmental variation.
 Evaluate the study of identical twins for variation.
https://www.blends
pace.com/lessons/Y
Wzu8Lcb6KMpgQ/

4. Inherited Environmental
Eye colour
Scar
Height
Tattoo
Hair colour
Freckles
Self assess:
Learning Objective: To explore variation
Success criteria:
 Categorise organisms.
 Compare inherited and environmental variation.
 Evaluate the study of identical twins for variation.

5. Variation and Inheritance
Categorise
organisms.
Compare inherited
and environmental
variation.
Evaluate the study
of identical twins
for variation
Key words: organisms, inherited, environmental, variation,
inheritance

6. Evaluate the use of identical twins to study
environmental and inherited variation
Complete the table:
For Against
Challenge: Can you think of any
more reasons for or against?
Learning Objective: To explore variation
Success criteria:
 Categorise organisms.
 Compare inherited and environmental variation.
 Evaluate the study of identical twins for variation.
We can see whether certain
characteristics are inherited or
environmental.
It isn’t fair on the twins growing up
without each other
A humans life should
not be an experiment
It gives scientists a unique insight for research into
genetics
Support:
https://www.blends
pace.com/lessons/Y
Wzu8Lcb6KMpgQ/

7. Peer assess:
For Against
We can see whether certain
characteristics are inherited or
environmental.
A humans life should not be an
experiment
It gives scientists a unique
insight for research into
genetics
It isn’t fair on the twins
growing up without each other
Learning Objective: To explore variation
Success criteria:
 Categorise organisms.
 Compare inherited and environmental variation.
 Evaluate the study of identical twins for
variation.

8. Variation and Inheritance
Categorise
organisms.
Compare inherited
and environmental
variation.
Evaluate the study
of identical twins
for variation
Key words: organisms, inherited, environmental, variation,
inheritance

9. Plenary: Choose an activity to reflect
on what you have learnt today.
Learning Objective:
To explore variation
Success criteria:
 Categorise organisms.
 Compare inherited and
environmental
variation.
 Evaluate the study of
identical twins for
variation.