BIO120H1 Chapter Notes - Chapter 1-9: Temperate Deciduous Forest, Shortgrass Prairie, Alpine Tundra
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BIO120H1 Full Course Notes
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Ultimate and proximate questions : a proximate question is a how question. the two species, an ultimate question is a why question. The biochemical pathways for the synthesis for anthocyanin pigments differ between. In the past, the evolutionary lineage leading to the flower had blue flowers that were adapted for pollination y bees, but encountered ecological conditions in which hummingbirds provided better pollination service. Williams" ear and pencil analogy ears and other features of living organisms are perfected entirely by the trial-and-error process of natural selection proposed by charles darwin in 1859. Contrary to some popular ideas, evolution should not be expected to produce perfection. If we can support a strong argument for how a feature increases an organism"s ability to survive and pass on its genes, we call the role a function and the feature an adaptation. Maladaptive traits are likely to be prominent in a changing environment, where new challenges change the fitness consequences of pre-existing characteristics.
