BIOSC 0160 Chapter Notes - Chapter 25: Special Creation, Blind Fish, Antimicrobial Resistance

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13 Mar 2016

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Plato claimed every organism is perfectly created by god and unchanging. Aristotle ordered organisms into a linear scheme called the great chain of being, with humans (most complex) at the top. Species are not staic but change within that individual being"s lifeime. Theory of evoluion by natural selecion: species are all related by common ancestry o. Believed that instead of being unimportant, the variaion among individuals in a populaion was key to understanding the nature of species (populaion thinking) Overturned idea that species are staic and unchanging. It was scientific-- proposed mechanism that could account for change through ime and made predicions that could be tested through observaion and experimentaion. What were the contribuions of the following scienists: g. bufon, g. cuvier, jb lamarck, and c. Georges bufon: believed earth is much older than previously thought. Georges cuvier: by documening fossils, he showed that exincion had occurred. Jean-bapiste lamarck: believed individual living species change over ime.

Related Questions

What is NOT a requirement for evolution by natural selection to occur?

a) Traits must be inherited

b) Traits must influence reproductive success

c) Inherited traits must have variation within the population

d) Characteristics that are favored (fitness) relate to the immediate environment

e) Variations will appear that will allow the survival of the species in future, unforeseen, circumstances.

Charles Darwin...

a) ... arrived at the idea of natural selection in the GalÃ¡pagos Islands.

b) ... was the first scientist to suggest evolution.

c) ... claimed that only aggressive and strong individuals would survive and reproduce.

d) ... with Alfred Wallace, published a mechanism for adaptive change, natural selection, and proposed a "tree of life".

e) ... argued that chimpanzees and gorillas were progressively evolving into human beings.

Random, chance events that change allele frequencies are knownas:

A. Gene flow

B. Genetic drift

C. Natural selection

D. Balancing selection

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Question 21 pts

What type of selection acts to maintain the two extremephenotypic variants in a population?

A. Disruptive selection

B. Directional selection

C. Positive selection

D. Artificial selection

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Question 31 pts

Approximately, how much of our DNA is shared with our closestrelatives, chimpanzees?

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Question 41 pts

The large canines of male baboons are likely the result of________, while the fact that some male baboons are very colorfulis probably the result of _______.

A. Mutation; balancing selection

B. Gene flow; sexual dimorphism

C. Male competition; female choice

D. Mate choice; genetic drift

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Question 51 pts

Negative assortative mating results in an increased frequency ofhomozygous genotypes within a population.

True

False

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Question 61 pts

Genetic evidence suggests that humans and Neandertals neverinterbred.

True

False

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Question 71 pts

The specific variant of the FOXP2 gene associated with languageacquisition in humans is found in both humans and Neandertals.

True

False

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Question 81 pts

Industrial melanism describes the change in moth color from paleto dark after pollution from factories resulted in coating treetrunks with a layer of dark soot. Which statement is trueconcerning industrial melanism?

A. After pollution levels increased, all moths became darkercolored because soot got on their wings

B. The dark moths survived better after pollution levelsincreased because they were not poisoned by the pollutants

C. Individual moths changed their color in response to thepollution

D. Dark moths were present in the population before pollutionlevels increased

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Question 91 pts

Patterns of evolution can be seen above the species level

True

False

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Question 101 pts

Inbreeding is problematic because it increases the probabilitythat offspring inherit two copies of a recessive mutation thatcauses disease.