Cretaceous–Paleogene extinction event & Earth - Unionpedia, the concept map

Antarctic Circle

The Antarctic Circle is the most southerly of the five major circles of latitude that mark maps of Earth.

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Antarctica

Antarctica is Earth's southernmost and least-populated continent.

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Astrobiology (journal)

Astrobiology is a peer-reviewed scientific journal covering research on the origin, evolution, distribution and future of life across the universe.

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Biomass (ecology)

Biomass is the mass of living biological organisms in a given area or ecosystem at a given time.

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Biome

A biome is a distinct geographical region with specific climate, vegetation, and animal life.

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Biosphere

The biosphere, also called the ecosphere, is the worldwide sum of all ecosystems.

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Calcium

Calcium is a chemical element; it has symbol Ca and atomic number 20.

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Chicxulub crater

The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico.

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Comet

A comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing.

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Continental shelf

A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea.

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Earth's crust

Earth's crust is its thick outer shell of rock, referring to less than one percent of the planet's radius and volume.

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Extinction event

An extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth.

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Flood basalt

A flood basalt (or plateau basalt) is the result of a giant volcanic eruption or series of eruptions that covers large stretches of land or the ocean floor with basalt lava.

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Fossil

A fossil (from Classical Latin) is any preserved remains, impression, or trace of any once-living thing from a past geological age.

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Fresh water

Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids.

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Granite

Granite is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase.

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Impact event

An impact event is a collision between astronomical objects causing measurable effects.

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Lunar and Planetary Institute

The Lunar and Planetary Institute (LPI) is a scientific research institute dedicated to study of the solar system, its formation, evolution, and current state.

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Mammal

A mammal is a vertebrate animal of the class Mammalia.

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Nature (journal)

Nature is a British weekly scientific journal founded and based in London, England.

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Nature Geoscience

Nature Geoscience is a monthly peer-reviewed scientific journal published by the Nature Publishing Group.

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Orogeny

Orogeny is a mountain-building process that takes place at a convergent plate margin when plate motion compresses the margin.

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Paleontology

Paleontology, also spelled palaeontology or palæontology, is the scientific study of life that existed prior to the start of the Holocene epoch (roughly 11,700 years before present).

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Particle

In the physical sciences, a particle (or corpuscule in older texts) is a small localized object which can be described by several physical or chemical properties, such as volume, density, or mass.

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Photosynthesis

Photosynthesis is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.

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Plate tectonics

Plate tectonics is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago.

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Primate

Primates is an order of mammals, which is further divided into the strepsirrhines, which include lemurs, galagos, and lorisids; and the haplorhines, which include tarsiers; and the simians, which include monkeys and apes.

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Proceedings of the National Academy of Sciences of the United States of America

Proceedings of the National Academy of Sciences of the United States of America (often abbreviated PNAS or PNAS USA) is a peer-reviewed multidisciplinary scientific journal.

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Scientific American

Scientific American, informally abbreviated SciAm or sometimes SA, is an American popular science magazine.

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Seabed

The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean.

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Sedimentary rock

Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation.

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Stratosphere

The stratosphere is the second-lowest layer of the atmosphere of Earth, located above the troposphere and below the mesosphere.

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The New York Times

The New York Times (NYT) is an American daily newspaper based in New York City.

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Tropics

The tropics are the regions of Earth surrounding the Equator.

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Volcanism

Volcanism, vulcanism, volcanicity, or volcanic activity is the phenomenon where solids, liquids, gases, and their mixtures erupt to the surface of a solid-surface astronomical body such as a planet or a moon.

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