Evolution Question Preview (ID: 47543)


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Which statement is NOT part of the theory of natural selection?
a) Individuals that possess the most favorable variations have the best chance of reproducing
b) variations occur among individuals in a population
c) more individuals are produced than will survive
d) genes of an individual adapt to a changing environment

natural selection provides an explanation for all EXCEPT
a) the fossil record
b) protein and DNA similarities
c) similar structures among different organisms
d) stable physical environment

Which two processess result in variations in sexually reproducing species?
a) mutations and meiosis
b) mitosis and natural selection
c) extinction and gene replacement
d) environmental selection and selective breeding

Natural selection is best described as
a) change in an organism in response to a need
b) process of nearly constant improvement that leads to an organism that is nearly perfect
c) differences in survival rates as a result of inherited characteristics
d) inheritance of characteristics aquired during the life of an organism

Which factor contributed most to the extinction of many species?
a) changes in the environment
b) lethal mutations
c) inability to evolve into simpler organisms
d) changes in migration patterns

The different finch species darwin observed most likely resulted from
a) absence of biodiversity
b) biological evolution
c) asexual reproduction
d) lack of competition

A species is most likely to survive a changing environment as a result of a mutation that has a
a) high adaptive valueand is in skin cells
b) low adaptive value and is in skin cells
c) high adaptive value and is in sex cells
d) low adaptive value and is in skin cells

A species thats the variation necessary to adapt to a changing environment is more likely to
a) develop mutated cells
b) become extint over time
c) begin to reproduce sexually
d) develop resistance to disease

Relationships between species may be accurately determined by comparing the
a) habitats in which they live
b) structure of guard cells
c) base sequence of DNA
d) shape of the cells

An increase in light colored moths and a decrease in dark colored moths in a CLEAN forest is an example of
a) natural selection
b) selective breeding
c) common ancestor
d) gene manipulation

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