Tag Archives: selection

IGCSE Bio Topic 18 – Variation & Selection

Topic 18 revision notes in downloadable word format; to be completed.

VARIATION

It’s coming!

ADAPTIVE FEATURES

A lesson in Plant Adaptations from Ms Cooper (12m 15s); Specialized Leaves, a short 1m 39s video.

NATURAL SELECTION

The Evolution of Life on Earth in 24 hours:

What is Evolution? A 9m video from Stated Clearly:

What is Natural Selection? A 9m video from Stated Clearly:

How evolution works – a gentle 12m cartoon video (from Kurz Gesagt – in a nutshell) and here is Natural Selection made easy in a 9m 48s video (from potholer54).

A simulation of Natural Selection:

Click to Run

 

Here’s Darwin’s Song from Horrible Histories and in What is Evolution? Biology teacher Ceri Evans gives a master class to students on what he says is arguably the greatest idea anybody ever had: evolution (28 mins). 2 more videos – James May’s things you need to know – Evolution (29m) & BBC Short Circuit Theory of Evolution (19m).

Finally, just for interest, a short (less than 5 minute) video clip from BBC iScience – Evolution of the Eye.

SELECTIVE BREEDING (ARTIFICAIL SELECTION)

This powerpoint covers Artificial Selection (selective breeding) – but we only need the first five slides:

Igcse biology edexcel 5.10 5.20 from Marcos Rodriguez

A lesson on Selective Breeding from Mr Dare:

9A Inheritance & Selection

 

Scientific Eye – Reproduction & Genetics (a 19m video) and here is a 15m 25s video covering Variation, Selective Breeding & Classification from KS3 Bitesize:

What is Selective Breeding? – a 2m 30s video:

Super Cow Creatorsthese gigantic cows resemble bovine body-builders. See how breeders have achieved such amazing results (4m 44s).

BBC Short Circuit Genetics – a 19m video – and Genetic Engineering (Science in Focus) – another 19m video.