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Study sets matching "fossil record"

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Study sets matching "fossil record"

12 terms
Fossil Record
fossil
geologic time scale
trace fossil
index fossil
any naturally preserved evidence of life
scale that divides Earth's 4.6 billion year history into dist…
any naturally preserved evidence of an animal's activity
fossils of organisms that lived during a relatively short, we…
fossil
any naturally preserved evidence of life
geologic time scale
scale that divides Earth's 4.6 billion year history into dist…
12 terms
Fossil Record
Fossil
Geologic Time Scale
Trace Fossil
Index Fossil
anything left over of life
Divides Earth 4.6 billion history into smaller pieces
Fossil that isn't the animal or plant itself, but is somethin…
Fossil of an organism that lived for a short, but clear cut t…
Fossil
anything left over of life
Geologic Time Scale
Divides Earth 4.6 billion history into smaller pieces
10 terms
Fossil Record
Law of Superposition
fossil
fossil record
petrified fossil
when sedimentary rock layers are deposited, the younger layer…
remains or impression of organisms
the millions of fossils that scientists have collected
remains of organisms that are changed into rock
Law of Superposition
when sedimentary rock layers are deposited, the younger layer…
fossil
remains or impression of organisms
22 terms
Fossil Record
permineralization
natural casts
trace fossils
amber-preserved fossils
This occurs when minerals carried by water are deposited arou…
These form when flowing water removes all of the original bon…
These record the activity of an organism
These are organisms that get trapped in tree resin that harde…
permineralization
This occurs when minerals carried by water are deposited arou…
natural casts
These form when flowing water removes all of the original bon…
15 terms
Fossil Record
Uniformitarianism
Unconformity
Catastrophism
Fossil
theory that the same processes that shape the Earth today hav…
a break in the geologic record that's created when rock layer…
theory that sudden, huge, large-scale events have shaped Earth
the remains of physical evidence of an organism that was pres…
Uniformitarianism
theory that the same processes that shape the Earth today hav…
Unconformity
a break in the geologic record that's created when rock layer…
14 terms
Fossil Record
petrified fossil
mold
cast
relative dating
A fossil formed when minerals replace all or part of an organ…
A type of fossil formed when a shell or other hard part of an…
A type of fossil that forms when a mold becomes filled in wit…
A technique used to determine which two fossils is older.
petrified fossil
A fossil formed when minerals replace all or part of an organ…
mold
A type of fossil formed when a shell or other hard part of an…
12 terms
fossil record
uniformitarianism
catastrophism
relative age
relative dating
principle that geologic process that occurred in the past can…
principle that states that geologic change occurs suddenly
approximate age of fossils or other objects in rock layers de…
any method of datermining whether an event or object is older…
uniformitarianism
principle that geologic process that occurred in the past can…
catastrophism
principle that states that geologic change occurs suddenly
11 terms
The Fossil Record
Petrified fossil
Mold
Cast
Relative dating
a fossile formed when minerals replace all or of an organism
a type of fossile formed when a shell or other hard part of a…
a type of fossile that forms a mold becomes filled in with mi…
a technique used to determine which of two fossils is older
Petrified fossil
a fossile formed when minerals replace all or of an organism
Mold
a type of fossile formed when a shell or other hard part of a…
10 terms
The Fossil Record
extinct
paleontologist
relative dating
index fossil
term used to refer to a species that has died out and has no…
scientist who studies fossils
method of determining the age of a fossil by comparing its pl…
distinctive fossil that is used to compare the relative ages…
extinct
term used to refer to a species that has died out and has no…
paleontologist
scientist who studies fossils
12 terms
The Fossil Record
fossils
petrified
relative dating
radioactive dating
most form when organisms become buried in sediments
when minerals replace remains
comparing age with other specimens
determines actual age
fossils
most form when organisms become buried in sediments
petrified
when minerals replace remains
10 terms
The Fossil Record
petrified fossils
mold
cast
relative dating
organic material is converted into a fossil through the repla…
hollow space in sediment in the shape of an organism
a copy of the shape of the organism that made the mold
Relative dating is the science of determining the relative or…
petrified fossils
organic material is converted into a fossil through the repla…
mold
hollow space in sediment in the shape of an organism
22 terms
The Fossil Record
homologous structures
branching tree
petrified fossil
cast
body structures that are structurally similar in related spec…
a diagram that shows how scientists think different groups of…
a fossil formed when minerals replace all or part of an organ…
a type of fossil that forms when a mold becomes filled in wit…
homologous structures
body structures that are structurally similar in related spec…
branching tree
a diagram that shows how scientists think different groups of…
11 terms
The Fossil Record
petrified fossil
mold
cast
relative dating
a fossil formed when minerals replace all or part of an organ…
A type of fossil formed when a shell or other hard part of an…
A type of fossil that forms when a mold becomes filled in wit…
A technique used to determine which of to fossils is older.
petrified fossil
a fossil formed when minerals replace all or part of an organ…
mold
A type of fossil formed when a shell or other hard part of an…
11 terms
The Fossil Record
Petrified fossil
Mold
Cast
Relative dating
a fossil formed when minerals replace all or part of an organ…
a hollow space in sediment in the shape of an organism or par…
a copy of the shape of an organism that made the mold
a technique used to determine which of two fossils is older
Petrified fossil
a fossil formed when minerals replace all or part of an organ…
Mold
a hollow space in sediment in the shape of an organism or par…
8 terms
The Fossil Record
Paleontologist
Fossil Record
Extinct
Relative Dating
Scientists who study fossils.
Groupings of similar organisms that are arranged in the order…
Died out. (Gone)
Method of determining the age of a fossil by comparing its pl…
Paleontologist
Scientists who study fossils.
Fossil Record
Groupings of similar organisms that are arranged in the order…
11 terms
The Fossil Record
Petrified Fossil
Mold
Cast
Relative dating
A fossil formed when minerals replace all or part of an organ…
A hollow space in sediment in the shape of an organism or par…
A type of fossil that forms when a mold becomes filled with m…
A technique used to determine which of two fossils is older.
Petrified Fossil
A fossil formed when minerals replace all or part of an organ…
Mold
A hollow space in sediment in the shape of an organism or par…
13 terms
The Fossil Record
fossil
sedimentary rock
petrified fossil
mold
the preserved remains or traces of an organism that lived in…
rock formed when layers of sediments harden over millions of…
a fossil formed when minerals replace all or part of an organ…
a type of fossil formed when a shell or other hard part of an…
fossil
the preserved remains or traces of an organism that lived in…
sedimentary rock
rock formed when layers of sediments harden over millions of…
18 terms
The Fossil Record
Uniformitarianism
catastrophism
relative age
relative dating
a principle that geologic processes that occurred in the past…
a principle that states that a geologic change occurs suddenly
the approximate age of fossils or other objects in rock layer…
any method of determining whether an event or object is older…
Uniformitarianism
a principle that geologic processes that occurred in the past…
catastrophism
a principle that states that a geologic change occurs suddenly
17 terms
The Fossil Record
paleontologist
relative dating
index fossil
radiometric dating
researchers who study fossils to learn about ancient life.
method of determining the age of a fossil by comparing its pl…
distinctive fossil that is used to compare the relative ages…
method for determining the age of a sample from the amount of…
paleontologist
researchers who study fossils to learn about ancient life.
relative dating
method of determining the age of a fossil by comparing its pl…
The Fossil Record
petrified fossils
mold
cast
relative dating
A fossil formed when minerals replace all or part of an organ…
A type of fossil formed when a shell or other hard part of an…
A type of fossil that forms when a mold becomes filled in wit…
A technique used to determine which of two fossils is older
petrified fossils
A fossil formed when minerals replace all or part of an organ…
mold
A type of fossil formed when a shell or other hard part of an…
11 terms
The Fossil Record
Petrified Fossil
Mold
Cast
Relative Dating
A fossil formed when minerals replace all or part of an organ…
A type of fossil formed when a shell or other hard part of an…
A type of fossil that forms when a mold becomes filled in wit…
A technique used to determine which of two fossils is older.
Petrified Fossil
A fossil formed when minerals replace all or part of an organ…
Mold
A type of fossil formed when a shell or other hard part of an…
12 terms
the fossil record
dead plants and animals can form fossils
fossils only form when conditions are…
often, a layer of river mud or volcani…
over time, the organisms tissues under…
...
...
...
...
dead plants and animals can form fossils
...
fossils only form when conditions are…
...
12 terms
Fossil and fossil record
Fossil
Fossil record
Index fossils
Absolute dating
A trace of an ancient organism that has been preserved in rock
Chronological collection of life's remains in sedimentary roc…
distinctive fossil used to compare the relative ages of fossils
A technique used to determine the actual age of a fossil
Fossil
A trace of an ancient organism that has been preserved in rock
Fossil record
Chronological collection of life's remains in sedimentary roc…
10 terms
THE FOSSIL RECORD
Petrified Fossil
Mold
Cast
Relative Dating
A fossil formed when minerals replace all parts of an organism
A type of fossil formed when a shell or other hard part of an…
A type of fossil that forms when a mold becomes filled in wit…
A technique used to determine which of two fossils is older.
Petrified Fossil
A fossil formed when minerals replace all parts of an organism
Mold
A type of fossil formed when a shell or other hard part of an…
15 terms
The Fossil Record
Fossil
Why do we study fossils?
How do fossils form?
Sedimentary rock
The preserved remains or traces of an organism that lived in…
They are some of the most important clues to the Earth's past.
Most form when organisms die and become buried in sediments
Rock formed when layers of sediments harden over millions of…
Fossil
The preserved remains or traces of an organism that lived in…
Why do we study fossils?
They are some of the most important clues to the Earth's past.
14 terms
The fossil record
What did Charles darwin see as a serio…
evolutionist believe that amphibians e…
coelacanths were once thought to be de…
according to many biology textbooks, w…
A lack of transitional fossils
fishes
coelacanths were found alive
a feathered dinisaur
What did Charles darwin see as a serio…
A lack of transitional fossils
evolutionist believe that amphibians e…
fishes
13 terms
Relative Dating and Fossil Record
paleontology
fossils
relative dating
absolute dating
the scientific study of fossils
Hardened remains or imprints of living things that existed lo…
deciding which is older or younger
measuring the age
paleontology
the scientific study of fossils
fossils
Hardened remains or imprints of living things that existed lo…
13 terms
FOSSIL RECORD
Types of bias in fossil record
Law of Superposition
Geologic time scale
Phanerozoic period events
...
Undistributed sedimentary rock has older layers on the bottom…
- Paleozoic... - Mesozoic... - Cenozole... - Hadean... - Archean... -Protero…
Phanerozoic means "visible life": ... 3 events: ... - Cambrian exp…
Types of bias in fossil record
...
Law of Superposition
Undistributed sedimentary rock has older layers on the bottom…
9 terms
Fossil Record
Fossil
Fossil record
Organism
Diversity
Preserved remains or markings of an organism.
Collection of fossils and their placement in chronological or…
Any individual living thing
Many different types of life that exist
Fossil
Preserved remains or markings of an organism.
Fossil record
Collection of fossils and their placement in chronological or…
9 terms
Fossil Record
Fossil
Fossil record
Organism
Diversity
Remains of an organism
Their placement in chronological order
Living thing
Diffrent types of life that exist
Fossil
Remains of an organism
Fossil record
Their placement in chronological order
11 terms
Fossil Record
Petrified fossil
Mold
Cast
Relative dating
A fossil formed when materials replace all or parts of an org…
A type of fossil formed when a shell or other hard part of an…
A type of fossil that forms when a mold becomes filled in wit…
A technique used to determine which of two fossils are older.
Petrified fossil
A fossil formed when materials replace all or parts of an org…
Mold
A type of fossil formed when a shell or other hard part of an…
13 terms
Fossil Record
Precambrian >3,500 millions of years
Precambrian >1,000
Cambrian
Ordovician
First prokaryotes
Earliest eukaryotes
Origin of all extant and some extinct animal phyla, including…
Continued evolution of ocean life
Precambrian >3,500 millions of years
First prokaryotes
Precambrian >1,000
Earliest eukaryotes
40 terms
fossil record
uniformitarianism
catastrophism
relative age
law of superposition
was an assumption that the same natural laws and processes th…
the theory that changes in the earth's crust during geologica…
The age of a rock compared to the ages of rock layers
The geologic principle that states that in horizontal layers…
uniformitarianism
was an assumption that the same natural laws and processes th…
catastrophism
the theory that changes in the earth's crust during geologica…
23 terms
Fossil Record
Absolute dating
Cast
Catastrophism
Eon
Any method of measuring the age of an event or object in years.
A type of fossil that forms when sediments fill in the cavity…
A principle that states that geologic change occurs suddenly.
The largest division of geologic time.
Absolute dating
Any method of measuring the age of an event or object in years.
Cast
A type of fossil that forms when sediments fill in the cavity…
23 terms
Fossil record
Isotope
The parent is original and unstable wh…
Crust
Mantle
Atoms of the same element that are slightly different from ea…
What is the difference between parent and daughter isotopes?
Very thin at only 3-60 miles thick . Not very dense .
Thickest layer at 1800 miles thick . Solid with texture of si…
Isotope
Atoms of the same element that are slightly different from ea…
The parent is original and unstable wh…
What is the difference between parent and daughter isotopes?
14 terms
Fossil Record
Putative early hominins
Two main forms of Australopithecines
Earliest fossil record
Well established gracile Australopiths
Sahelanthropus tchadensis, Orrorin tugenesis, and Ardipithecu…
Two main forms are australpothecines are gracile and robust.
Australopithecus Anamensis
Au. afarensis east africa... Au. africanus south africa
Putative early hominins
Sahelanthropus tchadensis, Orrorin tugenesis, and Ardipithecu…
Two main forms of Australopithecines
Two main forms are australpothecines are gracile and robust.
24 terms
Fossil Record
Taphonomy
Can you test paleospecies for reproduc…
Chronospecies
What is the basis of comparison for ch…
study of processes that affect organisms after death "biosphe…
No, bc of morphological variation in close relatives
arbitrary division of an evolving lineage
determine phylogeny, similar traits
Taphonomy
study of processes that affect organisms after death "biosphe…
Can you test paleospecies for reproduc…
No, bc of morphological variation in close relatives
12 terms
fossil record
uniformitarianism
catastrophism
relative age
relative dating
principle that geologic process that occurred in the past can…
principle that states that geologic change occurs suddenly
approximate age of fossils or other objects in rock layers de…
any method of datermining whether an event or object is older…
uniformitarianism
principle that geologic process that occurred in the past can…
catastrophism
principle that states that geologic change occurs suddenly
9 terms
Fossil record
Fossil
Fossil record
Organism
Diversity
Remains of preserved organisms
A timeline of fossils in chronological order
Any living thing
Different life types that exist.
Fossil
Remains of preserved organisms
Fossil record
A timeline of fossils in chronological order
9 terms
Fossil record
Fossil
Fossil record
Organism
Diversity
Bones of an organism that has been preserved
A fossil collection in order by time
A living thing
Existing types of life
Fossil
Bones of an organism that has been preserved
Fossil record
A fossil collection in order by time
14 terms
Fossil record
What is a fossil record
Studies fossils
Fossil body parts
Trace fossil
Holds important clues about life
Paleontologist
Bones, shells, teeth, plant leave
Tracks, traits, nests, footprints,
What is a fossil record
Holds important clues about life
Studies fossils
Paleontologist
11 terms
Fossil record
Petrified fossil
Mold
Cast
Relative Dating
A fossil formed when minerals replace all or part of an organ…
A type of fossil formed when a shell or other hard part of an…
A type of fossil that forms when a mold becomes filled in wit…
A technique used to determine which of two fossils is older.
Petrified fossil
A fossil formed when minerals replace all or part of an organ…
Mold
A type of fossil formed when a shell or other hard part of an…
27 terms
Fossil Record
Intact Fossil
Compression Fossil
Cast Fossil
permineralized fossils
Can only happen with small organisms ... ex. pollen... ex. mosquito…
Against smooth surfaces
slowly rots and minerals fill in
decompose so slowly that each cell gets filled in, and it is…
Intact Fossil
Can only happen with small organisms ... ex. pollen... ex. mosquito…
Compression Fossil
Against smooth surfaces
31 terms
Fossil Record
Fossils
Types of fossils
Reformation of fossil requires
Formation of sedimentary rock
Evidence that organisms lived in the past
- Preserved body parts... - Casts/molds (external shape)... - Impri…
- Rapid burial of organisms because they must escape destruci…
1) Erosion and deposition in layers... 2) Lithification: Sedimen…
Fossils
Evidence that organisms lived in the past
Types of fossils
- Preserved body parts... - Casts/molds (external shape)... - Impri…
23 terms
Fossil Record
Absolute Dating
Cast
Catastrophism
Eon
Any method of measuring the age of an event or object in years
A type of fossil that forms when sediments fill in the cavity…
A principle that states that geologic change occurs suddenly
The largest division of geologic time
Absolute Dating
Any method of measuring the age of an event or object in years
Cast
A type of fossil that forms when sediments fill in the cavity…
20 terms
fossil record
fossil record
rapid speciation
mass extinction
adaptive radiation
Information about past life, including the structure of organ…
occurs when new species fill new niches because they inherite…
event in which many types of living things become extinct at…
An evolutionary pattern in which many species evolve from a s…
fossil record
Information about past life, including the structure of organ…
rapid speciation
occurs when new species fill new niches because they inherite…
37 terms
Fossil record
Relative dating
Radioactive dating
Half life
4.6 bill
Age is found by comparing it to the rock layer it is found in…
Age found by determining half-life
The length of time required for 1/2 of a radioactive isotope…
How old is the Earth
Relative dating
Age is found by comparing it to the rock layer it is found in…
Radioactive dating
Age found by determining half-life
14 terms
Fossil Record
James Hutton
Charles Lyelle
Age of the earth
Fossils
English geologist who suggested that the features of the eart…
proposed the idea that the same geological forces today were…
Hutton and Lyelle's indicated that the earth must be millions…
any remains of ancient time
James Hutton
English geologist who suggested that the features of the eart…
Charles Lyelle
proposed the idea that the same geological forces today were…
25 terms
Fossil Record
fossils
fossil preservation
intact
permineralization
the remains or traces of past organisms
intact, permineralization, compression, mold/cast
all of skeleton, bones may have some of original organic cont…
replacement of cavities and tissues with exogenous (environme…
fossils
the remains or traces of past organisms
fossil preservation
intact, permineralization, compression, mold/cast
45 terms
Fossil Record
Paleocene time frame
Paleocene geography
Mammals that lived in Paleocene
4 primate features Plesiadapiformes lack
65-54 mya
islands are continents
Plesiadapiformes
1. no post orbital bar... 2. claws instead of nails... 3. eyes not…
Paleocene time frame
65-54 mya
Paleocene geography
islands are continents
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