What was darwin's dilemma with micro and macro evolution?
contrastthe evolutionary changes in light of darwin's proposed
mechanismfor evolution. compare speciation with the evolution of
novelforms.

The contrast of the difference between what is called "microevolution", and "macroevolution".

Microevolution concerns the transformation of traits in a population of a given species.

Macroevolution concerns evolution above the species level: it includes the diversification of high level taxa, (mass) extinctions, origin and diversification of clades, etc.

Speciation – the arising of new species, and the main processes likely to produce it stands at the boundary between those evolutions.

Notably, when people of the term "evolution" they typically think of macroevolution (think of Darwin's focus on species their origins and transformation).

Darwin's focused on species their origins and transformation.

Darwin on evolution proposed natural selection as the mechanism of evolution

- Note these important points he outlined:

• Individuals do not evolve: populations evolve

• Natural selection can amplify or diminish only heritable traits; acquired characteristics cannot be passed on to offspring

• Evolution is not goal directed and does not lead to perfection; favorable traits vary as environments change.

Explanation:

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