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A.P Bio Test
Evolution
15
Biology
11th Grade
02/26/2012

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Cards

Term
Before and during darwin's time,many theories of evolution had been proposed. Whith which of the following theories would Darwin most agree.
Definition
Malthus suggested that species and populations were limited by the available resources and lack of resources created competition. That competition drove evolution
Term
The ardy-weinberg formula is used to estimate the frequency of carriers of allels that cause genetic disorders and traits. In considering Hardy-weinberg equlibrium equation
Definition
p2(p square) +2pq repersents the percentage of individuals expressing the dominant phenotype
Term
the Sout America rhea, the Australian emu, and the African ostrich are all species of birds that share similiar features but each is native to distant geographic locations. The study of these birds is an example of
Definition
biogeography
Term
Differential reproductive success is a main idea of
Definition
natural selection
Term
Which of the following is true regarding the fossil record
Definition
different geologic events have altered the fossil record
Term
unlike a lethal mutation, a neutral mutation
Definition
will occasionally be favored by a change in the enviorment
Term
All of the following mechanisims drive evolution except
Definition
population sin genetic equilibrium
Term
changes in allelic frequencies that lead to ashift in phenotypes to one extreme, as in the pepper moth population, are an example of
Definition
directional selection
Term
Balanced polymorphism, as in the case of malaria and sickle-cell anemia, is a state in which natrual selection maintains
Definition
the hetrozygous condition
Term
All of the folowing are prezyogtic isolating mechanisms Except
Definition
hybrid sterlity
Term
The most common mode of speciation is
Definition
allopatric
Term
Morphological divergence is to _________ as morphological convergence is to ___________.
Definition
homologous strutures; analogous s tructures
Term
All of the following statements regarding molecular comparisons are truce EXCEPT:
Definition
recent lineages have the greatest differences in their DNA
Term
Early Earth was considered to have areducing atmosphere rather than the oxidizing atmosphere of today. If this is true, which ofthe elements would be present in the least amoun tin early Earth's atmosphere
Definition
oxygen
Term
Stanley Miller's apparatus and experiment supported
Definition
the organic molecules tcould hav been formed spontaneously on Earth
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