Lecture 11 Flashcards

1
Q

The shift in the population of peppered moths from 10% dark moths prior to the advent of the industry to 80% dark colored moths after the advent of industry illustrates the process of

A

Microevolution

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2
Q

Microevolution acts ____ a species or population.

A

Within

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3
Q

Macroevolution acts _____ or ______ species level.

A

At or Above

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4
Q

Example of Macroevolution.

A

Adaptive Radiation resulting in the creation of many new species.

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5
Q

(Critique of Macroevolution)

Irreducible Complexity

A

System composed of several parts that all contribute to a function where removal of one part leads to no function.

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6
Q

Critique of Macroevolution

______ is Rarely observed.

A

Speciation

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7
Q

Critique of Macroevolution

________ (periods of evolutionary stasis interspersed by major change) not explained by Darwinian Theory

A

Punctuated Equilibrium

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8
Q

(Rebuttal for Macroevolution) Irreducible complexity
Pieces of complex systems have functions of their own.
Bacterial flagellum: has parts that are very similar to other functional proteins in the organism(_____)
______ range of Complexity still function.
______ can be reduced to two parts.

A

Basal Body
High range of Complexity
Mousetrap can be reduced to two parts.

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9
Q

(Rebuttal for Macroevolution) speciation
Human History spans ______ of biological history.
We have observed speciation in 3 ways 1) in a lab 2) _____. and 3) _______.

A

< .006%
2-Polyploidization
3-Polyploidization

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10
Q

(Rebuttal for Macroevolution) Punctuated Equilibrium

  • Punctuation in fossil records can take >10,000 years
  • Biochemical changes don’t show up in the fossil records.
  • ______ genetic changes result in _____ phenotypic changes.
A

Slight, Large

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11
Q

Control body plans by controlling the anatomical fate of groups of cells ( found in plants/animal/both)

A

Homeotic Genes

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12
Q

Evolution of genes controlling development (encompasses all these terms)

A

Evo-devo

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13
Q

Changes in the relative growth rates of different body parts. ex.______

A

Allometry , Ex. Skulls in humans and chimps.

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14
Q

Sexually mature adults with juvenile morphology ( a type of changes in the timing of reproductive vs somatic development) Ex.______

A

Paedomorphosis

Axolotl Salamander, and some pets

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15
Q

Class of homeotic genes that provide positional information in animal embryos.
ex.______

A

Hox Genes

ex. Suppresses leg formation in insects.

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16
Q

Changes in Rate and Timing ( encompasses Allometry)

A

Heterochrony

17
Q

Evolution is NOT____

A

goal oriented

18
Q

Mutation is _____, ______ is not …

A

Random, Mutation is not

19
Q

evolution is not a ladder from ______ to ____

A

Simple to complex

20
Q

In comparison to humans, how long have archaea bacteria been evolving ?

A

Same amount of time.

21
Q

Who’s gone through more evolutionary changes? humans or chimps

A

Chimps

22
Q

What disproves the 1 hole to 2 hole theory ?

A

Ctenophores with their complex digestive system.

23
Q

Novel features often arise through intermediate stages , each of which serve a function. Give example.

A

Partial wings in chicks allows them to travel faster

24
Q

Evolution recycles features and puts them to new use …what defines this

A

Exaptations

25
Q

Exaptations _______

Ex.

A

are some features that evolved for reasons that they are not longer used for
Proteins for cell adhesion found in unicellular organisms

26
Q

Evolution leaves baggage behind , ex.?

A

Rabbit Digestion, and in humans; appendix, trachea, esophagus, blind spot.