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Ch. 5A&B

Flashcards to use to review for Ch. 5A&B quiz

QuestionAnswer
A change in DNA mutation
A principle that geologic processes that occurred in the past can be explained by current geologic processes Uniformitarianism
Another expression for natural selection survival of the fittest
another term for carbon-14 dating. radiocarbon dating
chemicals have replaced the organism's tissues mineralized fossils
Darwin's occupation onboard the ship naturalist
Darwin's principle of an evolutionary process in which organisms that are best adapted to their environment will survive and produce offspring natural selection
formed when a mold is filled with more sediment casts
formed when an organism decays completely after being buried and leaves behind an empty space mold
fossil like a printed image of a plant carbonized fossils
Method of determining the age of a fossil and the rock layer it is in by comparing its placement with that of other layers of rock relative dating
method of determining the age of rocks based on the amounts of certain radioactive substances in the rocks absolute dating
Name of Darwin's book On the Origin of Species by Means of Natural Selection
preserved evidence of an organism that is not a part of the organism, example: tracks, teeth marks, burrows trace fossils
preserved remains of bone and fur or an insect. Usually occurred when animals died and were trapped in amber, a tar pit, ice or bogs. Original Material Fossil
preserved remains of plants and animals fossils
process of finding out the age of rocks dating
Ship that Darwin sailed on HMS Beagle
similar features shared by different organisms homologous structures
Structures that have no apparent function and appear to be leftovers from past ancestors vestigial structures
the accumulation of mutations within a population of organisms genetic load
The biggest problems regarding the dating rocks based on unstable isotopes assumptions about decay rates and the condition in which rocks were formed
the birds with different beaks that Darwin observed finches
the coelacanths and other plants and animals today that are unchanged from their fossil forms living fossils
the in-between forms that are missing from the fossil record transitional forms
the study of the similarities of organisms in their early development that are assumed to be because they had common ancestors embryology
the term for the organism at a branching point of an evolutionary diagram common ancestor
the upper limit of ages for radiocarbon dating 100,000 yrs
theory that proposes that organisms can obtain new traits during their lifetimes theory of acquired characteristics
To what do creationists attribute homologous structures instead of common ancestors? a common designer
type of rock fossils are found in sedimentary rock
what carbon-14 becomes after it decays carbon-12
What evolutionists think produced new traits in organisms mutations
Created by: Mr.JFoster
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