Basic Mechanisms Of Evolution Flashcards

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1
Q

Change in populations over time

A

Evolution

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2
Q

Was the first to publish the ideas of how species evolve

A

Charles Darwin

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3
Q

1859 published on the Origin of Species

A

Charles Darwin

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4
Q

Darwin developed his idea while sailing on the ……

A

Beagle

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5
Q

1795 Theory of Geological change

A

James Hutton

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6
Q

•forces change earth’s surface shape
•changes are slow
•Earth is much olden than thoisand of years

A

1795 theory of geological change ( James Hutton)

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7
Q

Book: principals of geography

A

Charles lyell

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8
Q

Geographical can be built up or down

A

Book: Principals of geography ( Charles lyell )

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9
Q

Theory of evolution

A

Jean-baptiste lamarck

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10
Q

● tendency toward perfection ( giraffe’s neck )
● use and disuse ( bird’s using forearms)
● Inheritance of acquired traits

A

Lamarck’s theory of evolution

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11
Q

19th century English economist

A

Thomas malthus

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12
Q

● If populations grew ( more baby born than die )
- insufficient living space
- food runs out
- Darwin applied this theory to animals

A

Thomas Malthus

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13
Q

Mechanisms of Evolution

A

Artificial selection, natural selection, genetic mutation, gene flow, genetic drift, recombination

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14
Q

Is the process by which humans choose individual organisms with certain phenotypic trait values for breeding

A

Artificial selection

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15
Q

The concept that species with ideal traits will be able to survive the current status of the environment and then reproduce

A

Natural Selection

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16
Q

Natural selection was proposed by two naturalists :

A

Charles Darwin and Alfred Russel Wallace

17
Q

A heritable trait that aids the survival and reproduction of an organism in its present environment

A

Adaption

18
Q

Occurs when there is a disruption in the complementary base pairing of the DNA or alteration within the nucleotide sequences

A

Genetic mutation

19
Q

This is a change in the DNA sequence of the gene

A

Genetic mutation

20
Q

The collection of genes in a population

A

Gene pool

21
Q

The genetic makeup of an individual

A

Genotype

22
Q

The traits of an individual

A

Phenotype

23
Q

It is defined as a variant form of a gene

A

Alleles

24
Q

Basic unit of heredity

A

Genes

25
Q

The random manner in which a trait can be favored or lost in a given population

A

Genetic drift

26
Q

Is a change in the gene pool of a population due to chance

A

Genetic drift

27
Q

Simple effect of change

A

Genetic drift

28
Q

The change in frequency of an existing gene variant in the population due to random chance.

A

Genetic drift

29
Q

Genetic drift can also be magnified by….

A

Natural and human-caused events

30
Q

A few individuals from a population start a new population with a different allele frequency than the original population.

A

Founder effect

31
Q

Occurs when a population undergoes an event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing

A

Population bottle neck

32
Q

The transport of genes by migrating individuals

A

Gene flow

33
Q

Occurs during meiosis when chromosomes exchange genes

A

Recombination