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Study sets matching "chapter 12 history life"

Chapter 12 The History of Life
Relative Dating
Radiometric Dating
Isotope
Half Life
Estimates the time during which an organism lived by comparin…
A technique that uses the natural decay rate of unstable isot…
Atoms of an element that have the same number of protons but…
The amount of time it takes for half of the isotope in a samp…
Relative Dating
Estimates the time during which an organism lived by comparin…
Radiometric Dating
A technique that uses the natural decay rate of unstable isot…
Chapter 12: The History of Life
Relative Dating
Radiometric dating
Isotope
index fossil
Method of determining the age of a fossil by comparing its pl…
the process of measuring the absolute age of geologic materia…
Atoms of the same element that have different numbers of neut…
a fossil known to have lived in a particular geologic age tha…
Relative Dating
Method of determining the age of a fossil by comparing its pl…
Radiometric dating
the process of measuring the absolute age of geologic materia…
22 terms
Chapter 12- The History of Life
relative dating
radiometric dating
isotopes
half-life
estimates the time during which an organism lived by comparin…
a technique that uses the natural decay rate of unstable isot…
atoms of an element that have the same number of protons but…
the amount of time it takes for half of the isotope in a samp…
relative dating
estimates the time during which an organism lived by comparin…
radiometric dating
a technique that uses the natural decay rate of unstable isot…
22 terms
Chapter 12 The History of Life
relative dating
radiometric dating
isotope
half-life
Method of determining the age of a fossil by comparing its pl…
the process of measuring the absolute age of geologic materia…
Atoms of the same element that have different numbers of neut…
Length of time required for half of the radioactive atoms in…
relative dating
Method of determining the age of a fossil by comparing its pl…
radiometric dating
the process of measuring the absolute age of geologic materia…
22 terms
Chapter 12 The History of Life
relative dating
radiometric dating
isotope
half-life
Method of determining the age of a fossil by comparing its pl…
the process of measuring the absolute age of geologic materia…
Atoms of the same element that have different numbers of neut…
Length of time required for half of the radioactive atoms in…
relative dating
Method of determining the age of a fossil by comparing its pl…
radiometric dating
the process of measuring the absolute age of geologic materia…
22 terms
Chapter 12: The History of Life
Relative Dating
Radiometric Dating
Isotope
Half-life
Estimate of the age of a fossil based on the location of foss…
Technique that uses the natural decay rate of isotopes to cal…
Form of an element that has the same number of protons but a…
Amount of time it takes for half of the isotope in a sample t…
Relative Dating
Estimate of the age of a fossil based on the location of foss…
Radiometric Dating
Technique that uses the natural decay rate of isotopes to cal…
22 terms
chapter 12: the history of life
relative dating
radiometric dating
isotope
half-life
a method of determining whether an event or object, such as a…
a method of determining the absolute age of an object, often…
an atom that has the same number of protons as other atoms of…
the time required for half a sample of a radioactive isotope…
relative dating
a method of determining whether an event or object, such as a…
radiometric dating
a method of determining the absolute age of an object, often…
Chapter 12 The History of Life
Permineralization
Most fossils form in
Relative Dating
Radiometric Dating
Occurs when minerals carried by water are deposited around a…
Sedimentary Rock
estimates the time during which an organism lived by comparin…
uses the natural decay rate of unstable isotopes found in mat…
Permineralization
Occurs when minerals carried by water are deposited around a…
Most fossils form in
Sedimentary Rock
Chapter 12 - The History of Life
relative dating
radiometric dating
isotope
half-life
Method of determining the age of a fossil by comparing its pl…
Form of dating that utilizes radioactive decay of an item or…
Atoms of the same element that have different numbers of neut…
The time required for one half of the atoms of a radioisotope…
relative dating
Method of determining the age of a fossil by comparing its pl…
radiometric dating
Form of dating that utilizes radioactive decay of an item or…
22 terms
Chapter 12: The History of Life
Relative Dating
Radio metric dating
Isotopes
Half-life
Estimating the time during which an organism lived by compari…
A technique that uses the natural decay rate of unstable isot…
Atoms of an element that have the same number of protons but…
The amount of time it takes for half of the isotope in a samp…
Relative Dating
Estimating the time during which an organism lived by compari…
Radio metric dating
A technique that uses the natural decay rate of unstable isot…
22 terms
Chapter 12 - History of Life
1.relative dating
2.radiometric dating
3.isotope
4.half-life
estimate of the age of a fossil based on the location of foss…
technique that uses the natural decay rate of isotopes to cal…
form of an element that has the same number of protons but di…
amount of time it takes for half of the isotope a sample to d…
1.relative dating
estimate of the age of a fossil based on the location of foss…
2.radiometric dating
technique that uses the natural decay rate of isotopes to cal…
21 terms
Chapter 12 - The History of Life
relative dating
radiometric dating
isotope
half-life
Method of determining the age of a fossil by comparing its pl…
Form of dating that utilizes radioactive decay of an item or…
Atoms of the same element that have different numbers of neut…
The time required for one half of the atoms of a radioisotope…
relative dating
Method of determining the age of a fossil by comparing its pl…
radiometric dating
Form of dating that utilizes radioactive decay of an item or…
22 terms
Chapter 12 - History of Life
relative dating
radiometric dating
isotope
half-life
estimate of the age of a fossil based on the location of foss…
technique that uses the natural decay rate of isotopes to cal…
form of an element that has the same number of protons but di…
amount of time it takes for half of the isotope a sample to d…
relative dating
estimate of the age of a fossil based on the location of foss…
radiometric dating
technique that uses the natural decay rate of isotopes to cal…
22 terms
Chapter 12 - History of Life
relative dating
radiometric dating
isotope
half-life
estimate of the age of a fossil based on the location of foss…
technique that uses the natural decay rate of isotopes to cal…
form of an element that has the same number of protons but di…
amount of time it takes for half of the isotope a sample to d…
relative dating
estimate of the age of a fossil based on the location of foss…
radiometric dating
technique that uses the natural decay rate of isotopes to cal…
13 terms
Chapter 12 The History of Life
relative dating
absolute dating
half life
isotope
the science of determining the relative order of past events…
determining a numerical date for the age of an object
the time for half the parent isotope to decay into daughter i…
two atoms that have the same number of protons but different…
relative dating
the science of determining the relative order of past events…
absolute dating
determining a numerical date for the age of an object
22 terms
Chapter 12 The History of Life
Relative dating
Radiometric dating
Isotope
Half-Life
Estimate of the age of a fossil based on the location of foss…
Technique that uses the natural decay rate isotopes to calcul…
Form of an element that has the same number of protons but a…
Amount of time it takes for half of the isotope in a sample t…
Relative dating
Estimate of the age of a fossil based on the location of foss…
Radiometric dating
Technique that uses the natural decay rate isotopes to calcul…
22 terms
Biology: Chapter 12- The History of Life
relative dating
radiometric dating
isotopes
half-life
estimates the time during which an organism lived by comparin…
a technique that uses the natural decay rate of unstable isot…
atoms of an element that have the same number of protons but…
the amount of time it takes for half of the isotope in a samp…
relative dating
estimates the time during which an organism lived by comparin…
radiometric dating
a technique that uses the natural decay rate of unstable isot…
33 terms
The History of Life--Chapter 12
paleontologist
fossils
How fossils form
relative dating
scientist the studies fossils
traces of organisms from the past
permineralization, casts, trace fossils, amber, preserved rem…
how fossils are compared to other fossils based on where they…
paleontologist
scientist the studies fossils
fossils
traces of organisms from the past
22 terms
Biology Chapter 12- The History of Life
relative dating
radiometric dating
isotopes
half-life
estimates the time during which an organism lived by comparin…
a technique that uses the natural decay rate of unstable isot…
atoms of an element that have the same number of protons but…
the amount of time it takes for half of the isotope in a samp…
relative dating
estimates the time during which an organism lived by comparin…
radiometric dating
a technique that uses the natural decay rate of unstable isot…
19 terms
Chapter 12 Vocabulary (The History of Life)
Relative dating
Radiometric dating
Isotopes
Half-life
used to estimate the time when an organism lived by comparing…
Used to determine a fossils actual age. Makes use of isotopes…
atoms of an element that have the same number of protons, but…
the amount of time it takes for half of the isotope in a samp…
Relative dating
used to estimate the time when an organism lived by comparing…
Radiometric dating
Used to determine a fossils actual age. Makes use of isotopes…
22 terms
Biology - Chapter 12: The History of Life
Relative dating
Radiometric dating
Isotope
Half-life
Estimate of the age of a fossil based on the location of foss…
Technique that uses the natural decay rate of isotopes to cal…
Form of an element that has the same number of protons but a…
Amount of time it takes for half of the isotope in a sample t…
Relative dating
Estimate of the age of a fossil based on the location of foss…
Radiometric dating
Technique that uses the natural decay rate of isotopes to cal…
15 terms
Biology: Chapter 12- The History of Life
relative dating
radiometric dating
half-life
index fossils
estimates the time during which an organism lived by comparin…
a technique that uses the natural decay rate of unstable isot…
the amount of time it takes for half of the isotope in a samp…
fossils of organisms that existed only during specific spans…
relative dating
estimates the time during which an organism lived by comparin…
radiometric dating
a technique that uses the natural decay rate of unstable isot…
22 terms
Biology Chapter 12- The History of Life
Relative dating
Radiometric dating
Isotope
Half-life
estimate of the age of a fossil based on the location of the…
technique that uses the natural decay rate of isotopes to cal…
form of an element that has the same number of protons but a…
amount of time it takes for half of the isotope in s sample t…
Relative dating
estimate of the age of a fossil based on the location of the…
Radiometric dating
technique that uses the natural decay rate of isotopes to cal…
24 terms
Chapter 12 - Life History
life history
trade-offs
I. Mating Strategy
Asexual types
lifetime pattern of growth, development, reproduction for a s…
I. Mating Strategy... II. Reproductive effort... III. Categories
A) Asexual vs. Sexual Reproduction
1. 1 cell --> 2 daughter cells ... 2. lateral roots ---> 2 indiv…
life history
lifetime pattern of growth, development, reproduction for a s…
trade-offs
I. Mating Strategy... II. Reproductive effort... III. Categories
19 terms
Chapter 12: History of Life
Relative Dating
Periods
Epoch
Radiometric Dating
Identifying the age of a fossil of rock by comparing it to an…
Most common unit of time on the geologic time scale, lasting…
Smallest unit of time on the geological time scale and last s…
Measures the age of a material by comparing the amount of a r…
Relative Dating
Identifying the age of a fossil of rock by comparing it to an…
Periods
Most common unit of time on the geologic time scale, lasting…
36 terms
Chapter 12 The History of Life
Relative dating
Radiometric dating
isotope
half-life
estimates the time during which an organism lived. Compares t…
provides an accurate way to estimate the age of fossils using…
atoms of an element that differ in their numbers of neutrons
the amount of time it takes for half of the isotope to decay
Relative dating
estimates the time during which an organism lived. Compares t…
Radiometric dating
provides an accurate way to estimate the age of fossils using…
18 terms
Chapter 12 - History of Life
relative dating
radiometric dating
isotope
half-life
estimate of the age of a fossil based on the location of foss…
technique that uses the natural decay rate of isotopes to cal…
form of an element that has the same number of protons but di…
amount of time it takes for half of the isotope a sample to d…
relative dating
estimate of the age of a fossil based on the location of foss…
radiometric dating
technique that uses the natural decay rate of isotopes to cal…
Chapter 12: History of life
Fossil
Radio metric dating
Extinct
Cyanobacteria
Preserved or mineralized remains or traces of an organism tha…
Dating of objects through the measurement of relative porport…
term ised to indicate species that have disappeared permanently
grouop of photosynthetic eubacteria
Fossil
Preserved or mineralized remains or traces of an organism tha…
Radio metric dating
Dating of objects through the measurement of relative porport…
22 terms
Chapter 12-the history of life
Relative dating
Radiometric
Isotopes
Half life
estimates the time during ehich an organism lived by comparin…
a technique that uses natural decay rate of unstable isotopes…
are atms of an element that have the same number of protons b…
is the amount of time it takes for half of the isotopes in a…
Relative dating
estimates the time during ehich an organism lived by comparin…
Radiometric
a technique that uses natural decay rate of unstable isotopes…
12 terms
Chapter 12 History of Life
Relative dating
Radiometeic dating
Isotope
Half-life
Eatimate of the age of a fossil bases on the location of foss…
Technique that uses the natural decay rate of isotopes to cal…
Form of an element that has the same number of protons but a…
Amount of time it takes for half of an isotope in a sample to…
Relative dating
Eatimate of the age of a fossil bases on the location of foss…
Radiometeic dating
Technique that uses the natural decay rate of isotopes to cal…
12 terms
Chapter 12 Earth and Life History
Geology
Rock cycle
Superposition
Relative dating
the study of Earth's formation and structure.
the process of rock formation and recycling.
the principle that states that in layers of sedimentary rocks…
a method of sequencing events in the order in which they happ…
Geology
the study of Earth's formation and structure.
Rock cycle
the process of rock formation and recycling.
26 terms
Chapter 12 The History Of Life
Permineralization
Natural Casts
Trace Fossils
Amber-Preserved Fossils
An organism dies, sediments cover its body, pressure is appli…
Flowing water might replace the bone and flesh of an organism…
Fossils recording the activity of an organism like footprints.
Organisms trapped in tree resin that hardens into amber after…
Permineralization
An organism dies, sediments cover its body, pressure is appli…
Natural Casts
Flowing water might replace the bone and flesh of an organism…
Chapter 12 The History Of Life
Permineralization
Natural Casts
Trace Fossils
Amber-Preserved Fossils
An organism dies, sediments cover its body, pressure is appli…
Flowing water might replace the bone and flesh of an organism…
Fossils recording the activity of an organism like footprints.
Organisms trapped in tree resin that hardens into amber after…
Permineralization
An organism dies, sediments cover its body, pressure is appli…
Natural Casts
Flowing water might replace the bone and flesh of an organism…
20 terms
chapter 12 the history of life
evidence of the history of life
relative dating
radiometric dating
half life
is found in the fossil record
comparative dating; uses index fossils; doesn't give speicifi…
measures radioactive isotopes; dates rocks and therefore foss…
period of time it takes for half of radioactive isotope to de…
evidence of the history of life
is found in the fossil record
relative dating
comparative dating; uses index fossils; doesn't give speicifi…
22 terms
Chapter 12: The History of Life
Relative dating
Radiometric dating
Isotopes
Half-life
Estimates the time during which an organism lived by comparin…
A technique that uses the natural decay rate of unstable isot…
Atoms of an element that have the same number of protons but…
The amount of time it takes for half of the isotope in a samp…
Relative dating
Estimates the time during which an organism lived by comparin…
Radiometric dating
A technique that uses the natural decay rate of unstable isot…
34 terms
The History of Life- Chapter 12
relative dating
radiometric dating
isotope
half-life
estimates the time during which an organism lived by comparin…
a technique that uses the natural decay of unstable isotopes…
atoms of elements that have the same number of protons but a…
the amount of time it takes for half of the isotope in a samp…
relative dating
estimates the time during which an organism lived by comparin…
radiometric dating
a technique that uses the natural decay of unstable isotopes…
38 terms
BIOLOGY - Chapter 12: History of Life
relative dating
radiometric dating
isotope
half life
method of determining the age of a fossil by comparing its pl…
the process of measuring the absolute age of geologic materia…
an atom that has the same number of protons (or the same atom…
Time it takes for half the atoms of an isotope to decay
relative dating
method of determining the age of a fossil by comparing its pl…
radiometric dating
the process of measuring the absolute age of geologic materia…
16 terms
THE HISTORY OF LIFE (Chapter 12)
Relative Dating
Radiometric Dating
Geologic Time Scale
FOUR-STAGE... HYPOTHESIS FOR THE ORIGIN O…
Comparative dating... Uses index fossils... Doesn't give... specific…
measures radioactive... isotopes... dates rocks and... therefore fossi…
The time line of life.
1. inorganic chemicals form simple organic... molecules in prim…
Relative Dating
Comparative dating... Uses index fossils... Doesn't give... specific…
Radiometric Dating
measures radioactive... isotopes... dates rocks and... therefore fossi…
13 terms
Chapter 12 - History of Life
relative dating
radiometric dating
isotope
half-life
estimate of the age of a fossil based on the location of foss…
technique that uses the natural decay rate of isotopes to cal…
form of an element that has the same number of protons but di…
amount of time it takes for half of the isotope a sample to d…
relative dating
estimate of the age of a fossil based on the location of foss…
radiometric dating
technique that uses the natural decay rate of isotopes to cal…
25 terms
Life History Chapter 12
Population ecology
semelparity or big-bang reproduction
iteroparity or repeated... reproduction
fun fact
the study of the distribution and... abundance of organisms in s…
- It is characterized by a single reproductive episode before…
- It is characterized by multiple reproductive cycles over th…
Highly variable or unpredictable environments... likely favor bi…
Population ecology
the study of the distribution and... abundance of organisms in s…
semelparity or big-bang reproduction
- It is characterized by a single reproductive episode before…
22 terms
Chapter 12 - History of Life
relative dating
radiometric dating
isotope
half-life
estimate of the age of a fossil based on the location of foss…
technique that uses the natural decay rate of isotopes to cal…
form of an element that has the same number of protons but di…
amount of time it takes for half of the isotope a sample to d…
relative dating
estimate of the age of a fossil based on the location of foss…
radiometric dating
technique that uses the natural decay rate of isotopes to cal…
22 terms
Biology - Chapter 12: The History of Life
Relative dating
Radiometric dating
Isotope
Half-life
Estimate of the age of a fossil based on the location of foss…
Technique that uses the natural decay rate of isotopes to cal…
Form of an element that has the same number of protons but a…
Amount of time it takes for half of the isotope in a sample t…
Relative dating
Estimate of the age of a fossil based on the location of foss…
Radiometric dating
Technique that uses the natural decay rate of isotopes to cal…
13 terms
Chapter 12 the history of life
relative dating
radiometric dating
isotope
half-life
estimate of the age of a fossil based on the location of foss…
technique that measures the natural decay rate of isotopes to…
form of an element that has the same number of protons but a…
amount of time it takes for half of the isotope in a sample t…
relative dating
estimate of the age of a fossil based on the location of foss…
radiometric dating
technique that measures the natural decay rate of isotopes to…
22 terms
Biology Chapter 12 History Of Life Vocab
Relative Dating
Radiometric Dating
Isotope
Half-Life
estimate of the age of a fossil based on the location of foss…
technique that uses the natural decay rate of isotopes to cal…
form of an element that has the same number of protons but a…
amount of time it takes for half of the isotope in a sample t…
Relative Dating
estimate of the age of a fossil based on the location of foss…
Radiometric Dating
technique that uses the natural decay rate of isotopes to cal…
44 terms
Chapter 12 - Life Histories
Adaptations of organisms that influenc…
Limited access to energy and other res…
Species that produce large young
Turner and Trexter (1998) found for da…
1) Number of offspring ( influences the offsprings' size & fe…
A trade-off between number and size of young
generally produce fewer young
females that produced larger eggs laid fewer, and larger fema…
Adaptations of organisms that influenc…
1) Number of offspring ( influences the offsprings' size & fe…
Limited access to energy and other res…
A trade-off between number and size of young
37 terms
Chapter 12 The History Of Life
Permineralization
Natural Casts
Trace Fossils
Amber-Preserved Fossils
An organism dies, sediments cover its body, pressure is appli…
Flowing water might replace the bone and flesh of an organism…
Fossils recording the activity of an organism like footprints.
Organisms trapped in tree resin that hardens into amber after…
Permineralization
An organism dies, sediments cover its body, pressure is appli…
Natural Casts
Flowing water might replace the bone and flesh of an organism…
44 terms
Chapter 12 - Life Histories
Adaptations of organisms that influenc…
Limited access to energy and other res…
Species that produce large young
Turner and Trexter (1998) found for da…
1) Number of offspring ( influences the offsprings' size & fe…
A trade-off between number and size of young
generally produce fewer young
females that produced larger eggs laid fewer, and larger fema…
Adaptations of organisms that influenc…
1) Number of offspring ( influences the offsprings' size & fe…
Limited access to energy and other res…
A trade-off between number and size of young
27 terms
Chapter 12 History of Life
Geologic record
Granite
Stromatolites
Plate tectonics
The complete history of life on earth; divided into eons, era…
A light igneous rock that forms the foundation for the contin…
Mounds of layered rock formed by photosynthetic bacteria; the…
The theory that the earth's crust is broken up into a series…
Geologic record
The complete history of life on earth; divided into eons, era…
Granite
A light igneous rock that forms the foundation for the contin…
22 terms
Biology Ch 12: The history of life
Relative Dating
Radiometric dating
Isotope
Half-life
Estimate of age of a fossil based on the location of fossils…
Technique that used the natural decay rate of isotopes to cal…
Form of an element that has the same number of protons but a…
Amount of time it takes for half of the isotope in a sample t…
Relative Dating
Estimate of age of a fossil based on the location of fossils…
Radiometric dating
Technique that used the natural decay rate of isotopes to cal…
22 terms
Chapter 12 vocab - History of Life on Earth
Radiometric dating
Radioisotopes
Half-life
Spontaneous origin
Calculation of the age of an object by measuring the proporti…
Unstable elements (parent) that break up and give off energy…
The time it takes for one-half of a given amount of a radiois…
The process through which life is thought to have developed w…
Radiometric dating
Calculation of the age of an object by measuring the proporti…
Radioisotopes
Unstable elements (parent) that break up and give off energy…
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