Evidence for Evolution
Terms
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- 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)