Notes in A4.1 Evolution and Speciation

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Published	02/01/2025	Define evolution (Darwin's definition)
Published	02/01/2025	Explain why the existence of pendadactyl limbs in many different animals are an example of divergent evolution. Also explain if they are a homologous …
Published	02/01/2025	State 3 evidences for evolution.
Published	02/01/2025	Distinguish between natural and artificial classification.
Published	02/01/2025	Distinguish between analogous and homologous structures and explain how convergent and divergent evolution gave rise to each one respectively.
Published	02/01/2025	Define speciation.
Published	02/01/2025	Explain how a new species can form over time.
Published	02/01/2025	Explain how differential selection occurs and explain a condition needed for it to occur.
Published	02/01/2025	Explain the types of reproductive isolation that give rise to allopatric and sympatric speciation.
Published	02/01/2025	How does adaptive radiation increase biodiversity?
Published	02/01/2025	Explain why the mule is a sterile hybrid.
Published	02/01/2025	What are some consequences of mixing the alleles of two different species?
Published	02/01/2025	What are some barriers to prevent the mixing of alleles of different species?
Published	02/01/2025	How does polyploidy result in abrupt speciation in plants?
Published	02/01/2025	Explain how allopolyploidy led to the formation of a hexaploid species in the genus Knotweeds.
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