Evolution Overview Quiz

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Questions and Answers

What was the title of Darwin's groundbreaking book published in 1859?

On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life.

What is the study of the evolutionary history of a species called?

Phylogeny

What is the term for structures that have lost their original functions through evolution?

Vestigial structures

The term 'catastrophism' refers to the idea that geological changes occur gradually over long periods.

<p>False (B)</p> Signup and view all the answers

What is the term for the idea that the geological processes occurring today are the same as those that happened in the past?

<p>Uniformitarianism</p> Signup and view all the answers

Which of the following is NOT a piece of evidence supporting the Theory of Evolution?

<p>Intelligent design (A)</p> Signup and view all the answers

What is the name of the scientist who independently developed a theory of natural selection similar to Darwin's?

<p>Alfred Russel Wallace</p> Signup and view all the answers

What is the process by which individuals with traits better suited to their environment are more likely to survive and reproduce?

<p>Natural selection</p> Signup and view all the answers

What is the name of the scientist who developed the binomial classification system used in modern taxonomy?

<p>Carl Linnaeus</p> Signup and view all the answers

What is the term used to describe the similarity of structures in different organisms due to shared ancestry?

<p>Homology</p> Signup and view all the answers

What is the name of the law that states that general features common to all members of a group of animals develop earlier in ontogeny than do the special features that distinguish the various subdivisions of the group?

<p>Baer's Law</p> Signup and view all the answers

What is the term for the idea that ontogeny (the development of an organism) recapitulates (repeats) phylogeny (evolutionary history) of a group?

<p>Principle of recapitulation</p> Signup and view all the answers

What is the name of the Greek philosopher who suggested selective mating to produce a 'Guardian class'?

<p>Plato</p> Signup and view all the answers

What is the name of the process by which humans intentionally select and breed organisms with desirable traits?

<p>Artificial selection</p> Signup and view all the answers

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Flashcards

Evolution

The study of how organisms have changed over time, resulting in the diversity of life we see today.

Theory of Organic Evolution

A concept that describes the idea that all organisms on Earth have evolved from a common ancestor.

Scala Naturae

A hierarchical classification system that categorizes organisms based on their shared physical characteristics.

Taxonomy

The scientific study of classifying organisms based on their similarities and differences. It involves grouping organisms into categories like species, genera, families, etc.

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Systema Naturae (1st ed.)

The first edition of a book by Carolus Linnaeus that presented his system of classifying organisms using binomial nomenclature.

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Binomial Nomenclature

A system of naming organisms with two words, the genus and species, that is still used today.

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Georges-Louis Leclerc, Comte de Buffon

A French naturalist known for his work Histoire naturelle, which included early discussions on evolution.

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Buffon's Law

The idea that different regions, despite having similar environments, have distinct plants and animals.

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Georges Cuvier

A French anatomist who studied fossils and proposed the theory of catastrophism to explain extinctions.

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Gradualism

The idea that geological changes occur slowly and gradually over long periods, driven by processes like erosion.

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Jean Baptiste Lamarck

A French naturalist who proposed a theory of evolution based on the inheritance of acquired characteristics, which is now considered incorrect.

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Thomas Malthus

A British political economist who wrote about population growth and limited resources, which influenced Darwin's theory of natural selection.

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Charles Lyell

A British geologist who proposed the theory of uniformitarianism, which expanded on gradualism.

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Alfred Russel Wallace

A British naturalist who independently developed the theory of evolution by natural selection, around the same time as Darwin.

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Natural Selection

The process by which organisms with traits that help them survive and reproduce in a particular environment are more likely to pass those traits on to their offspring.

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Adaptations

Inherited characteristics that increase an organism's ability to survive and reproduce in its environment.

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Phylogeny

The study of the evolutionary history of organisms, often represented as a branching diagram (phylogenetic tree) that shows the relationships between species.

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Homology

Structures in different species that have a common origin but may have different functions.

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Convergent Evolution

Structures in different species that have similar functions but evolved independently, without a common ancestor.

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Ontogeny

The study of the development of an organism from its earliest stage to adulthood.

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Vestigial Structures

Structures that have lost their original function over evolutionary time. They may be reduced in size or have no apparent use.

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Biogeography

The study of the distribution of organisms on Earth and the evolutionary processes that have shaped their distribution.

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Artificial Selection

The process of breeding organisms with desirable traits to create offspring with those traits.

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Evo-Devo

The study of the relationship between the evolutionary development of an organism (ontogeny) and its evolutionary history (phylogeny).

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Eugenics

A controversial idea that claimed to scientifically justify racism and prejudice.

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Overproduction

A biological process that involves producing more organisms than can survive due to limited resources, leading to competition.

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Fossils

The remains or traces of ancient organisms preserved in rocks or sediments.

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Mutations

Changes to genetic material, resulting in new traits or variations among individuals.

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Evolutionary Change

The process by which populations of living organisms change over time through adaptation, genetic variation, and natural selection.

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Genetic Drift

A population that has a limited number of individuals, leading to increased chances of genetic drift and changes in allele frequencies.

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Speciation

The process by which a new species arises from an existing one.

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Embryology

The study of the development of embryos, which can provide evidence for evolutionary relationships.

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Computational Biology

A field of study that combines evolutionary biology with computational methods to analyze and understand evolutionary patterns.

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Study Notes

Evolution

  • Evolution is the descent with modification.
  • Organisms on Earth have changed over time, and today's organisms are descendants of earlier ones.
  • Evidence for the theory of evolution includes:
    • Artificial selection
    • Direct observation of evolutionary change (e.g., Darwin's finches, peppered moths)
    • Phylogenies
    • Homology and convergent evolution
    • Embryology and ontogeny
    • Vestigial structures
    • Fossil record
    • Biogeography
  • Key figures in the development of evolutionary thought include:
    • Aristotle (Scala Naturae)
    • Carolus Linnaeus (binomial classification)
    • Georges-Louis Leclerc, Comte de Buffon (evolutionary discussion)
    • Georges Cuvier (catastrophism)
    • James Hutton (gradualism)
    • Jean-Baptiste Lamarck (evolution to explain fossils; inheritance of acquired characteristics)
    • Thomas Malthus (limited resources and population growth)
    • Charles Lyell (uniformitarianism)
    • Charles Darwin (descent with modification)
    • Alfred Russel Wallace (independent development of similar theory)

Additional Concepts

  • Adaptations: Inherited characteristics that enhance survival.
  • Natural selection: Individuals with certain inherited traits survive and reproduce at higher rates. Natural selection acts on individuals; populations evolve.
  • Homology: Features that share a common ancestry are homologous.
  • Analogy: Features that share a similar function, but not ancestry, are analogous.
  • Homoplasy: Similarity due to similar appearance, but not ancestor.
  • Atavism: Reappearance of traits lost in previous generations.
  • Vestigial structures: Structures with reduced or no function.
  • Ontogeny (Embryological history): The development of an individual from fertilization to adult.
  • Phylogeny: Study of evolutionary relationships between organisms.
  • Biogeography: Study of the geographic distribution of organisms.
  • Fossil record: Evidence for past life on Earth in the form of fossils (preserved remains or traces of organisms).
  • Catastrophism: Theory that past geological change occurred in sudden dramatic events.
  • Gradualism: Theory that past geological change occurred continuously over long periods.
  • Uniformitarianism: Past geological events operated at the same rate as current processes

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