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adaptive radiation occurs when |
one species produces multiple closely related species |
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charles darwin’s book on the origin species (1859) was considered an important contribution to modern science because: |
it synthasized information from diverse scientific fields in order to document evolutionary change |
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uniformitarianism is the theory that |
the natural process operating today are the same as the natural processes that operated in the past |
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why is the work of Alfred Russell Wallace considered when discussing the theory of evolution |
He was an English naturalist who had arrived at many of the same conclusions as Darwin through his own research in the Amazon |
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The relevance of the theory of uniformitarianism is that |
it proves that the earth has a long history and supports the theory of natural selection. |
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Thomas Malthus’s contribution to natural selection is |
the theory that events like warfare, disease, and famine are necessary to control population size and thereby reduce the risk of depleting resources. |
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Darwinian evolution proposes that |
species adapt and change over time based on the environment. |
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darwin drew on information from five scientific disciplines |
geology, paleontology, taxonomy and systematics, demography, and evolutionary biology. |
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according to Darwin, natural selection operates at a level of |
individuals |
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how was darwin influenced by Thomas Malthus’s work on population growth |
Darwin was influences by Malthus’s work on demography and population responses to food availability |
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Cuvier, Lamarck, and Erasmus Darwin all shared an idea of evolution; however they all lacked: |
a mechanism for evolution |
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the advantageous "attributes" to which Darwin refers are now known as |
traits |
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Evolutionary synthesis is |
the melding of natural selection and mendelian inheritance. |
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a source of new genetic material to a population is |
mutation |
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without the work of x-ray crystallographer_______, DNA might not have been discovered for some time longer |
Rosalind Franklin |
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Mendel’s plan hybridization experiments demonstrated that |
traits inherited from each parent remained distinct in the offspring |
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The scientist who coined the name Homo Sapiens from human beings and placed them in higher taxonomic group (primates) was: |
Carolus Linnaeus |
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Fossils represent the remains of once-living |
extinct organisms that provide a record of the history of life on the planet |
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Darwin observed that adaptations |
were physical traits that enhanced survival and reproduction |
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the presence of iridium in geological deposits around the world support the theory that |
the impact of a giant meteor that struck the Earch produced mass extinctions on dinosaur species across the planet |
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Why are Darwin’s finches considered good examples of natural selection |
they embody the idea of decent with modification |
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How do modern-day lemurs of Madagascar demonstrate the concept of adaptive radiation? |
they are closely related species that have branched from one species. |
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Gene flow differs from genetic drift because: |
It is the spread of new genetic material from one gene pool to another |
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The human Genome project has identified the location of genes that influence diseases such as: |
sickle-cell anemia, breast cancer, tay-sachs, and cystic fibrosis. |
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as T. Ryan Gregory asserts in "evolution as a Fact, Theory and Path" |
All the above |
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In his article, T. Ryan Gregory distinguishes evolution as fact from theory and path. Gregory says evolution as a ‘fact’ means that |
a and b |
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as T. Ryan Gregory points out in evolution as a fact theory and path, theory and hypothesis are synonyms in science |
false |
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