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Carbon-14 is useful in determining the age of a fossil up to about:


A) 40,000 years ago
B) 10,000 years ago
C) 20,000 years ago
D) 50,000 years ago
E) 100,000 years ago

F) A) and D)
G) A) and C)

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A

The El Niño event had what effect on the food supply of finches in the Galapagos islands?


A) Larger, harder seeds became more abundant
B) Overall seed availability dropped
C) Many plant species produced no seeds because of the drought
D) Smaller, softer seeds became more abundant
E) Finches switched from eating seeds to eating insects

F) B) and C)
G) A) and E)

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In the geologic time scale used by our author the sequence of eras beginning with the earliest era and proceeding forward to the most recent era is:


A) Paleozoic - Proterozoic - Archean - Mesozoic - Cenozoic
B) Cenozoic - Archean - Mesozoic - Paleozoic - Proterozoic
C) Archean - Paleozoic - Proterozoic - Cenozoic - Mesozoic
D) Mesozoic - Cenozoic - Paleozoic - Proterozoic - Archean
E) Archean - Proterozoic - Paleozoic - Mesozoic - Cenozoic

F) B) and E)
G) A) and B)

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E

If similarities between two structures in different organisms reflect common ancestry,these structures are:


A) Vestigial
B) Analogous
C) Homologous
D) Homeotic
E) Heterologous

F) B) and C)
G) B) and E)

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Systematics utilizes taxonomy and evolutionary relationships to organize life's diversity into groups that reflect evolutionary history.

A) True
B) False

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A group consisting of a common ancestor and all of its descendants is a:


A) Species
B) Genus
C) Clade
D) Phylum
E) Order

F) A) and D)
G) B) and D)

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The type of biological molecule that Carl Woese used to deduce the existence of three domains in the classification of living organisms is:


A) mtDNA
B) mRNA
C) rRNA
D) tRNA
E) Nuclear DNA

F) A) and D)
G) A) and E)

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The observation that most aquatic animals,like fish,penguins,and whales all have streamlined bodies and fins or flippers for steering are a result of:


A) Sexual selection
B) Artificial selection
C) Analogous selection
D) Vestigial selection
E) Convergent evolution

F) B) and C)
G) A) and E)

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If a structure has no apparent function in one species,yet is homologous to a functional organ in another species,this structure is termed:


A) Analogous
B) Homologous
C) Homeotic
D) Vestigial
E) Heterologous

F) C) and D)
G) B) and D)

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A gene that,when mutated leads to organisms with structures in abnormal places,is termed:


A) Parsimonious
B) Homeotic
C) Homologous
D) Vestigial
E) Dominant

F) D) and E)
G) A) and B)

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After the drought in 1977,what happened to the medium ground finches that eat smaller seeds?


A) The frequency of the allele for smaller beaks became more common
B) There was no change in the frequency of the allele for larger beaks
C) The frequency of the allele for larger beaks became more common

D) B) and C)
E) A) and C)

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The fossil record is often incomplete,simply because scientists will never be able to discover some of the fossils that are buried deep in the earth.

A) True
B) False

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The abundant remains of ammonites in Oklahoma indicate:


A) That Oklahoma was in the past a vast desert with almost no rainfall
B) That Oklahoma was in the past part of a mountain range that has now eroded
C) That Oklahoma was in the past covered by a shallow ocean
D) That Oklahoma was part of a vast tropical forest
E) That Oklahoma was always a grassland

F) A) and C)
G) B) and E)

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The wing of a bat and a bird are examples of:


A) Analogous structures
B) Homologous structures
C) Vestigial structures
D) Homeotic structures
E) Heterologous structures

F) A) and B)
G) A) and C)

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B

Petrification occurs:


A) When minerals replace the organic material left by a decaying organism
B) When a leaf sinks into water and fine sediment covers the leaf and compresses
C) When the imprint of an animal fills with mud, that later hardens to rock
D) When a whole organism is trapped in a plant resin
E) All of these are correct

F) C) and D)
G) B) and C)

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Skeletal organization relating to limbs used for movement in vertebrates would be an example of analogous structures.

A) True
B) False

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A fossil is defined as any evidence of an organism from:


A) At least 500 years ago
B) At least 1000 years ago
C) At least 25,000 years ago
D) At least 10,000 years ago
E) At least 100,000 years ago

F) A) and B)
G) D) and E)

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Theropods are:


A) Small meat eating dinosaurs
B) Large plant eating dinosaurs
C) Lizards
D) Burrowing Mammals
E) Pouched Mammals

F) A) and B)
G) A) and C)

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Relative dating uses ______ to estimate how old a fossil is.


A) Radioactive isotopes
B) A molecular clock
C) Structural features
D) Depth within rock layers
E) Embryonic structures

F) A) and E)
G) All of the above

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Marsupials are mammals that:


A) Lay eggs
B) Do not give live birth
C) Have evolved recently
D) Carry their young in a pouch
E) Breathe through gills

F) C) and D)
G) A) and B)

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