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Geol 102 Amadi Ch 6
All of chapter 6
50
Geology
Undergraduate 1
03/11/2010

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Term
--- are the remains or traces of ancient life which have been preserved by natural causes in the Earth's crust. Include both the remains of organisms (such as --- or ---), and the traces of organisms
Definition

Fossils

bones or shells

Term
--- and --- environments are more favorable for fossil preservation than are continental environments, because the rate of sediment deposition tends to be higher.
Definition
marine
transitional
Term
Rock that is composed of echinoderms and foraminifera
Definition
Calcite
Term
Rock that is composed of shells of clams, snails, or scleractinian coral
Definition
Aragonite
Term
Rock that is composed of bones and teeth of vertebrates, conodonts, the outer covering of trilobites, and scales of fossil fish
Definition
phosphate
Term
Rock that is composed of skeletons of diatoms and radiolarians, and some types of sponges
Definition
silica
Term
chemical alteration in where aragonite alters to calcite
Definition
Recrystallization
Term
Classification of the human:
Definition
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Sex: Sapiens
Term
species that are found almost everywhere; they are not restricted to a single geographic location in their environment.
Definition
cosmopolitan
Term
species that are restricted to a specific area in the environment in which they live.
Definition
endemic
Term
Appearances and disappearances of fossils may indicate:
Definition
Extinction
Migration
Term
species that are restricted to a specific area in the environment in which they live.
Definition
endemic
Term
Appearances and disappearances of fossils may indicate:
Definition
Change of appearance
Extinction
Migration
Term
Fossils that are useful in identifying time-rock units and in correlation
Definition
Index and Guide
Term
A short geologic range, widely distributed,and its abundance are characteristics of
Definition
Index fossils
Term
Term where body of rock deposited during the time when a particular fossil organism existed.
Definition
Biozone
Term
Range zones, Assemblage zone, and concurrent range zone are types of
Definition
Biozones
Term
The interrelationship between organisms and their environment
Definition
Ecology
Term
Term that is the study of ancient ecology, or the study of the interaction of ancient organisms with their environment. Mainly comparing ancient organisms with living organisms.
Definition
Paleocology
Term
The organisms and their environment - the entire system of physical, chemical, and biological factors influencing organisms.
Definition
Ecosystem
Term
The environment in which the organism lives
Definition
Habitat
Term
The way in which the organism lives - its role or lifestyle
Definition
Niche
Term
the association of several species of organisms in a particular habitat (the living part of the ecosystem).
Definition
Cummunity
Term
Term describing an ancient community
Definition
Paleocommunity
Term
Realm in which the water mass lies above the ocean floor
Definition
Pelagic realm
Term
Realm of the bottom of the sea
Definition
Benthic
Term
In the pelagic realm, the zone of water overlying the continental shelves
Definition
Neritic
Term
In the pelagic realm, the zone of the water seaward of the continental shelves
Definition
Oceanic
Term
In the benthic realm, the zone above the high tide line
Definition
Supratidal
Term
In the benthic realm, the zone between the high and low tide lines
Definition
Littoral
Term
In the benthic realm, that is continually submerged. From the low tide line to the edge of the continental shelf
Definition
Sublittoral
Term
Swimming animals that live within the water column
Definition
nekton
Term
bottom dwellers
Definition
Benthic organisms or benthos
Term
The type of Benthic organisms that live beneath the sediment surface
Definition
Infaunal
Term
Type of Benthic organisms that live on top of the sediment surface
Definition
Epifaunal
Term
Mineral grains from weathered continental rocks
Definition
Terrigenous sediment
Term
Sediment of biological origin
Definition
Biogenous sediment
Term
Parts from biogenous sediment that come from the remains of foraminifera, coccolithophores, and pteropods (planktonic gastropods or snails)
Definition
Calcareous oozes
Term
Biogenous sediment that comes from the remains of radiolarians and diatoms
Definition
Siliceous oozes
Term
Minerals that precipitate from sea water by chemical reactions
Definition
Hydrogenous sediment
Term
Above the Carbonate Compensation Depth (CCD), the water is (warmer/cooler) and the precipitate forms what types of rocks
Definition
Warmer
Chalk or limestone
Term
Below the Carbonate Compensation Depth (CCD), the water is (warmer/cooler) and the precipitate forms what types of rocks
Definition
Cooler
Clay or siliceous sediments
Term
High latitudes have (high/low) species diversity
Definition
low
Term
Low latitudes have (high/low) species diversity
Definition
high
Term
Oldest evidence of life are remains of prokaryotic cells more than 3.5 billion years old. Found in --- and ---
Definition
stromatolites and algal mats
Term
Trace fossil of --- are about 1 billion year
Definition
metazoans
Term
Trilobites and vertebrates such as: fishes, amphibians, and reptiles were found in what era
Definition
Later paleozoic
Term
Pelecypods including: clams, scallops, oysters, as well as: sea urchins and vertebrates like dinosaurs, primitive mammals, and birds were a part of what era
Definition
Mesozoic
Term
Trilobites and soft-bodied worms were organisms of what era
Definition
Early paleozoic- cambrian period
Term
Molluscs, planktonic foraminifera, sea urchins, encrusting bryozoans, barnacles, many mammals, and the appearance of humans were a part of what era
Definition
Cenozoic
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