Speciation Flashcards

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0
Q

The type of reproductive isolation in which a physical barrier separates two populations

A

Allopatric speciation

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1
Q

Term that describes the point where two groups in a population separate into different species during speciation

A

Adaptive radiation

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2
Q

The term that means that organisms tend to try to meet with organisms that have similar traits to themselves

A

Assortive mating

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3
Q

The type of reproductive isolation in which an organism’s courtship activities cause populations to separate ex. dance and songs

A

Reproductive isolation: behavioral

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4
Q

The group of individuals that can interbreed and produce fertile offspring Bret typically cannot breed with members of another species

A

Biological species concept

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5
Q

The occurrence when a population size is reduced for at least one generation, it can reduce genetic variation greatly.

A

Bottleneck effect

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6
Q

X

A

Convergence

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7
Q

Occurs when natural selection for similar environmental factors causes unrelated organisms to resemble each other

A

Convergent evolution

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8
Q

The term that means that a new species is created when enough gene flow occurs

A

Divergence

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9
Q

The establishment of a new population far from the original population may lead to the evolution of several new species

A

Founders effect

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10
Q

The type of reproductive isolation and which sperm and egg are not able to combine

A

Reproductive isolation: gametic incompatibility

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11
Q

The total genetic content of a population of organisms in an area

A

Gene pool

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12
Q

Identifies as separate species populations with a unique lineage

A

Genealogical species concept

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13
Q

Changes that occur in allele frequency due to chance

A

Genetic drift

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14
Q

The type of reproductive isolation in which populations are separated because breeding occurs at different times of the year

A

Reproductive isolation: geological

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15
Q

States that it will be a freaking seats will remain stable and populations that are large in size random mating and experiencing no migration or natural selection

A

Hardy Weinberg principle

16
Q

X

A

Hybrid sterility

17
Q

X

A

Hybrid inviability

18
Q

D

A

Mass extinction

19
Q

Species consist of organisms that share a set of unique physical characteristics that is not found in other groups of organisms

A

Mechanical reproductive isolation

20
Q

Relies on different characteristics among species

A

Morphology species concept

21
Q

The mode of speciation in which new organisms are formed on the outskirts of an environment and new niches are formed

A

Parapatric speciation

22
Q

The condition in which a mistake occurs during meiosis and doubles the number of chromosomes

A

Polyploidyism

23
Q

The term for periods of stability that are followed by quick bursts of changes in populations

A

Punctuated equilibrium

24
Q

The mode of speciation in which two species day bridge from with in the same ecosystem

A

Reproductive isolation

25
Q

The lack of gene flow that causes two distinct populations from one ancestral form

A

Speciation

26
Q

The name for organisms that can interbreed and create fertile offspring

A

Species

27
Q

The pattern of speciation that occurs very quickly because many variations are created when they move to new niche is it to avoid competition

A

Sympatric speciation

28
Q

The mode of speciation in which a physical barrier causes divergence that can also be called geographic

A

Temporal

29
Q

P plus Q equals one

A

Allele frequency

30
Q

Spatial behavioral mechanical Temporel gamete incompatibility

A

Pre-zygotic reproductive isolation

31
Q

Hybrid invisibility and Hybrid sterility

A

Post zygotic reproductive isolation

32
Q

No mutation
population is large
mating is random
no immigration or immigration genotype is suited for survival

A

Genetic equilibrium

33
Q

Opposite of genetic equilibrium

A

Microevolution

34
Q

P squared plus 2PQ plus Q squared equals one

A

Genotype frequencie