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Edexcel GCSE Biology Topic 4 - Natural Selection and Genetic Modification



Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.


 • I can explain how Darwin came to propose the theory of evolution Biology only

 • I can discuss the controversy around Darwin’s ideas when they were published – Biology only

 • I can discuss other theories of evolution, such as Lamarck’s ideas - Biology only

 • I can define the term speciation - Biology only

 • I can describe Wallace’s theory of evolution - Biology only

 • I can recall that mutations continuously occur

 • I can define evolution

 • I can describe the theory of evolution

 • I can explain natural selection

 • I can explain why bacteria can evolve quickly

 • I can describe why antibiotic resistance could arise

 • I can describe the effect of MRSA (and other antibiotic resistance strains of bacteria) have on humans

 • I can describe why the development of new antibiotics is slow

 • I can explain the evidence for evolution

 • I can describe how fossils arise

 • I can explain why not all organism leave fossils

 • I can describe what fossils teach us

 • I can explain how evidence for evolution, such as stone tools, can be dated

 • I can describe hoe the pentadactyl limb is evidence for evolution - Biology only

 • I can explain the preference for the three domains classification system over the five kingdoms

 • I can describe the impact of selective breading

 • I can define the term genetic engineering

 • I can describe the use of genetic engineering in plants

 • I can describe the use of genetically engineered bacteria to produce insulin.

 • I can evaluate the advantages and disadvantages of genetic engineering in agriculture

 • I can describe the process of producing a genetically modified crop

 • I can explain the potential for genetic modification to treat inherited disorders

 • I can explain the process of producing a genetically modified crop - Higher tier only

 • I can describe the process of cloning via tissue culture - Biology only

 • I can evaluate the use of genetic engineering - Biology only