Exam 12: Evidence of Evolution

These statements ask about elements and isotopes that have been important in learning about Earth's history and the age of organisms. For each one, select the best choice from the five isotopes or elements below. -where the advancing edge of one plate plows under an adjacent plate, buckling it A)magma B)faults C)tectonic plate D)volcanic island chains (archipelagos) E)trench

These statements ask about a perception or line of thought associated with various researchers throughout history. For each description, select the best choice from the following naturalists. -​Malthus A)natural selection B)gradual formation of Earth's features C)great chain of being D)catastrophism E)evolution occurs by inherent drive for perfection F)human will produce more offspring than the food supply can support

​After studying the wildlife in the Amazon basin, ____ proposed the theory of natural selection.

A mass extinction in which the dinosaurs disappeared from Earth occurred approximately ____ years ago.

These statements ask about elements and isotopes that have been important in learning about Earth's history and the age of organisms. For each one, select the best choice from the five isotopes or elements below. -these form as a plate moves across an undersea hot spot A)magma B)faults C)tectonic plate D)volcanic island chains (archipelagos) E)trench

These statements ask about a perception or line of thought associated with various researchers throughout history. For each description, select the best choice from the following naturalists. -​Aristotle A)natural selection B)gradual formation of Earth's features C)great chain of being D)catastrophism E)evolution occurs by inherent drive for perfection F)human will produce more offspring than the food supply can support

An unusual, worldwide formation of sedimentary rock called the K-Pg boundary sequence contains rare elements that are associated with a(n) ____.

How do exposed layers of sedimentary rock in the Grand Canyon reveal clues about the geologic time scale?

Bat wings, human forearms, elephant legs, and cat forelimbs are collectively referred to as _____.​

Matching These statements ask about the various theories that were presented in an attempt to explain the new information discovered during the 19th century. Match the theory with the description. -Unique catastrophic geological events altered the face of the Earth in the past. A)catastrophism B)evolution C)theory of uniformity D)great chain of being

Cactus spines are modified leaves adapted for dry climates, while the leaves of the Venus flytrap plant are adapted to capture insects. These structures are therefore ____.

Similar structures that have evolved independently in different lineages that do not share common ancestry are called ____.​

Comparisons between the cytochrome b protein sequence in the honeycreeper versus the deer mouse and the Gough Island finch reveal 18 and 4 amino acid differences, respectively. Therefore, _____.

The supercontinent that once contained all of Earth's landmasses is known as _____. Caprica

The time it takes for half of the atoms in a radioisotope sample to decay is called the ____.​

Which event occurred first?

Darwin's observation of vastly different species living in similar island environments led him to conclude that each population had arisen separately from existing species on these islands, since the geographic isolation prevented migration of species from the mainlands. This scenario is an example of ____.

Zircon crystals that form in molten magma are easily dated because they initially contain ____.​

These statements ask about elements and isotopes that have been important in learning about Earth's history and the age of organisms. For each one, select the best choice from the five isotopes or elements below. -portions of Earth's outermost layer of rock, which move continents to new locations over geologic time A)magma B)faults C)tectonic plate D)volcanic island chains (archipelagos) E)trench

The theory of continental movement is called ____.​