Chapter 1: Introduction to Evolutionary Biology

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26 Terms

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Neo Lamarckism
______ includes several theories based on the old idea of inheritance of modifications acquired during an organism's lifetime.
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Evolutionary biology
________ is concerned with explaining and understanding the diversity of living things and their characteristics.
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Microevolution
________ is slight, short- term evolutionary changes within species.
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Uniformitarianism
________ is the proposition that natural processes that operated in the past are the same as in the present.
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hypothesis
A(n) ________ is an informed conjecture or statement of what might be true.
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naturalistic fallacy
The ________ is the philosophical supposition that what is "natural "is "good".
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Carolus Linnaeus
This person established the framework of modern taxonomy.
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Chevalier de Lamarck
This person hypothesized that different organisms originated separately by spontaneous generation from nonliving matter, starting at the bottom of the chain of being.
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Macroevolution
________ is the evolution of the major alternations that distinguish higher taxa (genera, families, orders, and classes).
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Natural selection
______ is the differential survival and/or reproduction of classes of entities that differ in one or more characteristics.
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Genetic drift
______ is the evolution of DNA sequences that occurs by chance, rather than natural selection.
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Biological
______ evolution is the inherited change in the properties of groups of organisms over the course of generations.
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Gradualism
A distinct component of Darwin's theory of evolution that says differences between even radically different organisms have evolved by small steps through intermediate forms, not by leaps.
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Evolution
______ is the simple proposition that the characteristics of organisms change over time.
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18th century
Belief in the literal truth of the biblical story of creation started to give way in the ________ when a philosophical movement called the Enlightenment adopted reason as the major basis of authority and marked the emergence of science.
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scientific theory
A(n) ________ is a comprehensive, coherent body of interconnected statements, based on reasoning and evidence, that explain some aspect of nature.
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creationist movement
The ________ believes in Gods creations and opposes the teaching of evolution in public schools, or at least demands equal times for creationist beliefs.
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individual's phenotype
A(n) ________ is an organism's observable traits.
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Hypothetico deductive method
________ is the method where hypotheses are tested and are rejected, modified, or provisionally accepted.
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Charles Darwin
________ (1809- 1882) is the main historical figure in any discussion on evolution; he is most known for theorizing natural selection.
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Neo Darwinism
________ is the theory of natural selection of inherited variations, that denied that acquired characteristics might be inherited; often used more broadly to mean the modern theory that natural selection, acting on randomly generated particulate genetic variation, is the major, but not the sole, cause of evolution.
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Speciation
__________ , the origin of two species from a single ancestor species, usually occurs by the genetic differentiation of geographically isolated populations.
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Evolutionary synthesis
________ (or modern synthesis) is the reconciliation of Darwin's theory with the findings of modern genetics, which gave rise to a theory that emphasized the coaction of random mutation, selection, genetic drift, and gene flow.
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Frequency
________ of a variant form is the proportion of individuals with that variant feature.
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Particulate inheritance
________ is Gregory Mendel's theory that proposed inheritance is based not on blending fluids, but on particles that pass unaltered from generation to generation, so that variation can persist.
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Natural selection
________ is the idea that although many individuals are born, not all survive; certain individuals with superior features are more likely to survive and reproduce than individuals with inferior features.