Ch. 15 Evolution TEST Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Darwin referred to the process of promoting certain traits by breeding members with those traits as... | Artificial selection
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| A morphological adaptation in which one species resembles another is called... | Mimicry
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| Population decline causes an extreme genetic drift called a(n)... | Bottleneck
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| Recently evolved traits that do not appear in ancestral fossils are called... | Derived traits
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| What are two main components of natural selection? | Variation and inheritance
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| What has occurred when fertilization produces a hybrid offspring that cannot develop or reproduce? | Postzygotic isolation
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| What occurs when average traits benefit a population rather than extreme traits? | Stabilizing selection
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| Charles Darwin served as naturalist on the ... | HMS Beagle
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| While in the ... Darwin noticed slight differences in the animals from one island to the next | Galapagos Islands
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| Show that the species present on Earth have changed over time | Fossils
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| Thought to be the ancestor of birds | Dinosaur
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| Are newly evolved features such as feathers | Derived traits
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| Though to be the ancestor of armadillos | Glyptodont
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| Modified structure seen among different groups of descendants | Homologous structures
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| Eyes in a blind fish are examples of... | Vestigial structures
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| DNA and RNA comparisons | Comparative biochemistry
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| Bird wings and butterfly wings | Analogous structures
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| Body structure that is no longer used for its original function | Vestigial structures
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| Study of the distribution of plants and animals on earth | Biogeography
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| Traits that enable individuals to survive or reproduce better than individuals without... | Adaptations
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| Change in allelic frequencies in a population that is due to change | Genetic drift
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| Removes individuals with average trait values, creating two populations with extreme ones | Disruptive selection
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| Most common form of selection | Stabilizing selection
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| When a small sample of the main population settles in a location separated from main population | Founder effect
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| Species evolves into a new species without any barriers that separate the populations | Sympatric speciation
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| Shift populations toward a beneficial but extreme trait value | Directional selection
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| Population is divided by a barrier, each population evolves separately and eventually two populations cannot successfully interbreed | Allopatric speciation
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| Change in size or frequency of a trait based on competition for mates | Sexual selection
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| One species will sometimes diversity in a relatively short time into a number of different species | Adaptive radiation
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| Idea that evolution occurred in small steps over millions of years | Gradualism
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| Leafy sea dragon looks more like a plant than an animal, this is an example of... | Camouflage
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| Change of species over time | Evolution
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| Industrial melanism is a special case of... | A structural adaptation
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| Process of directed breeding | Artificial selection
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| Organisms most adapted to their environment survive, those which are not best adapted will die | Natural selection
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| Early, pre-birth stage of an organisms development | Embryo
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| Occurs when two or more species evolve adaptations to resemble one another | Mimicry
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| Studying the structure of organisms during early stages of development | Comparative embryology
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| States that when allelic frequencies remain constant, a population is in genetic equilibrium | Hardy-Weinberg Principle
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| Primitive features, such as teeth and tails, which appear in ancestral forms | Ancestral traits
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| Process that splits a population into two groups | Disruptive selection
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