17.4 - 18
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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| Large scale evolutionary changes that take place over long periods of time | show 🗑
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| show | 1Mass extinctions 2Adaptive Radiation 3Convergent evolution 4Coevolution 5Punctuated equilibrium 6Changes in developmental genes
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| show | Huge asteroid caused the cretaceous extinction, large volcanoes, continents changing position, sea levels changing
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| What effects have mass extinction had on the history of life? | show 🗑
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| show | adaptive radiation
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| show | disappearance of dinosaurs
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| Process by which unrelated organisms come to resemble one another | show 🗑
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| Ex. of convergent evolution | show 🗑
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| show | coevolution
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| show | A number of plants have evolved poisonous compounds that prevent insects from feeding on them. Once plants begin to produce poison, natural selection in herbivorous insects began to favor any variants that could alter, inactivate, or eliminate those poiso
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| Idea that evolution occurs at a slow, steady rate | show 🗑
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| show | Small population becomes isolated from main part of population, small group of organisms migrates to new environment, to fill available niches
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| show | punctuated equilibrium
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| T/F Evolution has often proceeded at different rates for different organisms | show 🗑
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| show | Homologous hox genes establish body plans in animals as different as insects and humans. Major evolutionary changes may be based on hox genes.
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| Why do biologists use a classifications system to study the diversity of life? | show 🗑
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| Science of classifying organisms and assigning them universally accepted names | show 🗑
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| show | false
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| show | common names vary among languages and even among regions within a single country
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| show | false
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| T/F Early efforts of naming organisms: Often described detailed physical characteristics of a species | show 🗑
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| T/F Early efforts of naming organisms: could be very long | show 🗑
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| T/F Early efforts of naming organisms: It was difficult to standardize the names | show 🗑
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| 2-word naming system developed by Linnaeus | show 🗑
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| T/F Binomial nomenclature is no longer in use today | show 🗑
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| show | true
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| T/F Scientific names are always in italics | show 🗑
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| show | false
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| Genus of Ursus arctos? | show 🗑
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| show | taxon
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| show | kingdom, species
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| 2 kingdoms Linnaeus named? | show 🗑
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| Taxonomic categories | show 🗑
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| show | structures of dif organisms and details of anatomy
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| show | Organisms that are quite dif from eachother evolve similar body structures
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| T/F Darwins thoery of evolution changed the way biologists thought about classification | show 🗑
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| show | Biologists now group organisms into categories that represent lines of evolutionary descent, not just physical similarities
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| show | false
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| show | evolutionary classification
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| Cladistic analysis | show 🗑
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| Characteristics that appear in recent parts of lineage, but not in older members | show 🗑
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| show | cladogram
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| T/F Derived characters are used to construct a cladogram | show 🗑
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| show | false
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| How do similarities in genes show that humans and yeast shar a common ancestry? | show 🗑
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| show | molecular clock
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| show | mutation
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| Why are only neutral mutations useful for molecular clocks? | show 🗑
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| T/F Degree of dissimilarity in DNA sequences is an indiciation of how long ago two species shared a common ancestor. | show 🗑
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| show | some genes accumulate mutations faster than some others
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| T/F Scientific view of life = more complex in Linnaeus' time | show 🗑
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| What fundamental traits did Linnaeus use to separate plants from animals? | show 🗑
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| What type of organisms were later place in the kingdom Protista? | show 🗑
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| show | fungi
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| Why did scientists place bacteria in their own kingdom, the Monera? | show 🗑
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| 2 groups into which monera have been separated? | show 🗑
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| 6 kingdoms | show 🗑
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| show | domain
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| What type of analyses have scientists used to group modern organisms into domains | show 🗑
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| 3 domains | show 🗑
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| Bacteria | show 🗑
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| T/'F All members of the domain bacteria are parasites | show 🗑
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| Archae | show 🗑
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| show | true
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| Eukarya | show 🗑
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| Protista | show 🗑
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| show | cell walls of chitin
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| plantae | show 🗑
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| animalia | show 🗑
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