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Definition
| The study of prehistoric life |
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Definition
| the study of the evolutionary relatedness among various groups of organisms |
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| Punctuated Equilibrium Theory[image] |
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Definition
| Only occurs when there is pressure on a species to adapt |
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Universal solvent
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Definition
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Deoxyribonucleic Acid
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Definition
- sugar-phosphate backbone
- nitrogenous bases
- DNA |
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Definition
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Definition
| Life could have begun elsewhere in the Solar System then been brought to Earth |
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| a domain of organisms having sells each with a distinct nucleus within which the genetic material is contained |
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Phylogenetic Tree of Life
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Definition
| A diagram that represents evolutionary relationships among organisms |
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Definition
| A bacterium or other microorganism that grows best at higher than normal temperatures |
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Definition
| Bacteria found in basaltic rocks miles underground, oil-eating bacteria found in oil deposits |
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Chemosynthesizers
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Definition
| any organism that creates organic matter with energy derived from chemical reactions |
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Acidophiles and Alkaliphiles
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Definition
| Microbes that thrive in conditions with pH levels less than 3 or greater than 9 |
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Term
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Definition
| Microbes that require salt concentrations up to 5 times greater than found in ocean water |
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Definition
| Extremophiles found in many environments (without oxygen) that manufacture organic compounds from inorganic compounds |
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Term
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Definition
| geographies where conditions are right to support complex life |
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Term
6 Needs of a Habitable Planet
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Definition
1. needs a stable star
2. needs to be the right distance away from its star
3. needs to be w twin planet (the moon to the earth)
4. needs to have the right chemistry (CHNOPS)
5. Needs to be tectonically active
6. needs good timing; lack of catastrophe |
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Term
Law of Superposition
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Definition
in any sequence of undeformed sedimentary rocks, the oldest rock is always at the bottom and the youngest is at the top. Therefore, each layer of rock represents an interval of time that is more recent than that of the underlying rocks
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Principle of Original Horizontality
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Definition
Sediment, when deposited, forms nearly horizontal layers because of gravity. Therefore, if we observe beds of sedimentary strata that are folded or tilted at a steep angle, we can assume that some deforming force took place after the sediment was deposited
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Principle of Cross-Cutting Relationships
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Definition
When a fault or an intrusive igneous rock cuts through existing sedimentary rocks, it must be younger than the structure it cuts
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Definition
| geologic eon of the earth pre-dating the archean. it began with the formation of the earth about 4.6 billion years ago |
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Definition
| The water cycle, also known as the hydrologic cycle or the hydrological cycle, describes the continuous movement of water on, above and below the surface of the Earth |
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Definition
| The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth |
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Definition
| a physical system that does not allow certain types of transfers, though the transfer of energy is allowed |
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Term
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Definition
| is the idea that Earth has been affected in the past by sudden, short-lived, violent events, possibly worldwide in scope |
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Definition
| is the idea that Earth has been changed profoundly over time by slow and continuous processes |
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Uniformitarianism
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Definition
| is the idea that the same natural laws that operated in Earth's past are operating today |
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Definition
| Areas along the coast have wetter climates with milder temperatures than inland areas with similar latitudes |
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Definition
| the deflection in a fluid moving above the earth’s surface due to the earth’s rotation |
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Definition
| the amount of water vapor in the air compared with the amount that air can hold at a given temperature |
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Definition
| the force produced by the weight of a column of air pushing down on a given area, which can be measured by a barometer |
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Definition
| The cycle that shows how the moon changes phases. It takes about 29.5 days to complete. |
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Definition
| A cloud of gas and dust. Stars are formed from these |
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Definition
| one of the four geologic eons of earth history, occurring 4,000 to 2,500 million years ago. The earth crust had cooled enough to allow the formation of continents and life started to form |
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Definition
| rock that are formed by the accumulation or deposition of small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water at the earth surface |
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Definition
| science of determining the relative order of past events without necessarily determining their absolute age |
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Angular Unconformity
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Definition
| unconformity where horizontally parallel strata of sedimentary rock are deposited on tilted and eroded layers producing an angular discordance with the overlying horizontal layers |
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Definition
| geological eon spanning the time from the appearance of oxygen in earth atmosphere to just before the proliferation of complex life on earth |
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Definition
| geological period and system that spans 79 million years from the end of the Jurassic period 145 million years ago to the beginning of the Paleogene period 66 mya |
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Cretaceous-Tertiary
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Definition
| end of the Mesozoic era and the start of the Cenozoic era |
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Definition
“Google Slides - Create and Edit Presentations Online, for Free.” Google, Google, docs.google.com/presentation/d/1AMC6LFHpQHc2uVdjl73mA6k4YHNhV1_Sayn7HXgcTB4/edit#slide=id.p.
“Google Slides - Create and Edit Presentations Online, for Free.” Google, Google, docs.google.com/presentation/d/1g5BFZT7v0eDQL8vYJbqid6JhY6KlbUn2qZS_DgCcnQU/edit#slide=id.p.
“Google Slides - Create and Edit Presentations Online, for Free.” Google, Google, docs.google.com/presentation/d/1HSetFoP3j9BQMbH1v7e701F3gprP1xerNh6jc9mzzpc/edit#slide=id.g1acf8a9bf4_0_19.
MacMillan, Amanda. “Global Warming 101.” NRDC, 30 July 2019, www.nrdc.org/stories/global-warming-101.
“What Is Global Warming?” LiveScience, Purch, www.livescience.com/37003-global-warming.html. |
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