________ happens when some qualities make people more likely to attract mates than others.
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Cauliflower
________ resulted by selecting plants with bigger blossom clusters.
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Brassica
________ oleracea wild cabbage is an example of artificial selection in plants.
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Sula nebouxii
________, the blue- footed booby bird, females choose mates with the males.
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Industrial Revolution
Prior to the ________, trees in the moths 'habitat in England were coated with a light- colored lichen, which allowed the lighter- colored moths to blend in with the trees.
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Clutch size
________ (the number of eggs produced by birds every reproductive cycle) is subject to stabilizing selection.
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Vestigial structures Some creatures
________ have anatomical characteristics that do not appear to have a purpose in the contemporary organism but may have served a purpose in an ancestor organism.
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Sharks
________ (cartilaginous fish) and dolphins (mammals) do not have a common ancestor, yet due to their comparable surroundings, they have developed similar body forms.
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Genetic variation
________ in a population is caused by mutations.
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Biogeographical evidence Biogeography
________ is the study of species distribution.
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Morphology Homologous
________ features with same origins but distinct functions are also indications of evolution.
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Brussels sprouts
________ were created by crossbreeding plants with lateral buds.
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Convergent evolution
________ occurs when species that dwell in comparable habitats gain similar traits despite the absence of a recent common ancestor.
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Broccoli
________ was created by deliberately breeding plants with more strong stalks and more blooms.
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Humans
________ and chimps have a more recent common ancestor than ________ and dogs.
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theory of evolution
According to Darwin's ________ by natural selection, there were natural variances in the moth population, with some moths having darker wings and others having lighter wings.
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Peacocks
________ with more vibrant plumage are more likely to attract mates than those with duller plumage.
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Natural selection
________ can sometimes result in disruptive selection, in which individuals at both ends of the phenotypic spectrum are more likely to survive and reproduce than those with an intermediate phenotype.
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darker wings
Moths with ________ had a survival benefit throughout the Industrial Revolution, and as a result of natural selection, they grew more common in the population.
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natural selection theory
According to ________, the environment selects for people that have phenotypes that provide a survival advantage in that environment.
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Humans
________ choose which individuals in a community survive and reproduce, rather than the environment choosing for those with good traits.
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Natural selection
________ can also result in stabilizing selection, in which the intermediate phenotype is favored while extreme phenotypes are rejected.