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17 Cards in this Set

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  • Back
Similarities in the amino acid sequence in human and chimp hemoglobin is called _?_ evidence.
biochemical
A theory is an idea supported by a great deal of _?_ that has been collected over time and has withstood the investigations of scientists.
evidence
Structures that are similar in structure, but different in function are called _?_ structures.
homlogous
The deeper the location of fossil bone in undisturbed sediment, the _?_ the fossil.
older
The study of similarities in DNA, proteins, and other chemicals in living organisms is called _?_ evidence.
biochemical
The idea that gene pools can change over time to produce new species of living organisms is called the theory of _?_
Evolution
A common _?_ is distant relative shared by two or more organisms.
ancestor
Biochemical evidence supports the idea of common _?_
ancestry
The idea that chimps and humans are closely related means that they share a _?_ common ancestor.
recent (not that human came from monkeys)
If organisms A and B are more closely related than A and C, then A and B share a more _?_ common ancestor.
recent
Evidence for evolution generally supports the idea that all living things evolved from a common _?_
ancestor
Transition fossils are those fossils that show gradual _?_ from earlier fossils to later fossil and present day organisms.
changes
Fossil evidence has shown that organisms have _?_ over time from common ancestors.
evolved
The bones of extinct organisms are called _?_
fossils
The ability to determine the approximate age of an organism can be accomplished using _?_ dating.
radioactive (or absolute)
An example of homlogous bone structures are the arm of a human and the flipper of a _?_
whale
Homologous bone structures support the idea of common _?_
ancestry (or ancestors)