25,22

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1 point

Darwin's claim that all of life descended from a common ancestor may best be supported with evidence from

embryology

taxonomy

the fossil record

molecular biology

1 point

Darwin based most of his theory on an earthquake that he observed while off the coast of South America

True

False

1 point

The half-life of carbon-14 is 5730 years. A fossil that is 22, 920 years old would have what amount of the normal proportion of C-14 to C-12?

1/2

1/4

1/8

1/16

1 point

Which of the following characteristics would increase the likelihood that organisms would be well represented in the fossil record?

abundant and widespread

exist over a long time period

have hard shells or skeletons

all of the above

1 point

What might you conclude from the observation that the bones in your arm and hand ar similar to the bones that make up a bt's wing?

the bones in the bat's wings are homologous to your arm and hand bones

our ancestors could fly

the bone's in the bats wing are vestigial structures, no longer useful as "arm bones"

bats and humans evolved in the same geographic area

1 point

All of the following influenced Darwin as he synthesized the theory of evolution by natural selection except

the biogeographic distribution of species such as the mockingbirds on the Galapagos Islands

Mendel's paper in which he described his "laws of inheritance"

Lyells book, Principles of Geology, on the gradualness of geologic changes

Linnaeus's hierarchical classification of species, which could be interpreted as evidence of evolutionary relationships

1 point

The remnants of pelvic and leg bones in a snake are

show that lizards evolved from snakes

resulted from artificial selection

vestigial organs

are homologous structures

1 point

How many half-lives should have elapsed if a sample contains 12.5% of the normal quantitate of a parent

1/2

1/6

1/4

1/8

1 point

The purpose of the voyage of the Beagle was to map the South American shoreline

True

False

10.

1 point

Darwin wanted to be a priest.

True

False

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