Paleogene Epoch
Paleogene Epoch - Related Videos
06:48
Extinction - Student Protocol
0 Views •
2019
Diversity and Extinction during the Paleogene Epoch ExpandBegin this procedure by reading the extinction reading supplement that has been printed out for you. NOTE: Alternatively, you may download the reading supplement at the link below. Click here to download the extinction reading supplement Using the information contained in the extinction reading supplements pertaining to the taxa of interest and the Chicxulub impact event, make predictions for each taxon listed in Table 1. Consider...
05:25
Extinction - Concepts
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2019
The History of Life on Earth Fossils of organisms that were different from anything alive today had been documented as early as the 17th century, but it was not until the early 19th century that scientists began to recognize that the successive layers of fossil bearing rocks were like successive pages in the history of life on earth. Although this recognition gave rise to the birth of the field of paleontology, the idea of complete global extinction of a species had yet to be fully accepted. At...
08:43
Long-term Continuous EEG Monitoring in Small Rodent Models of Human Disease Using the Epoch Wireless Transmitter System
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Cited by 26 •
2015
Here we demonstrate the use of a wireless enabling technology for electroencephalogram (EEG) in neonatal rodent models of human disease. With telemetry, there are no encumbering connections, thus allowing natural behaviors.
09:18
Electrophysiological Measurements and Analysis of Nociception in Human Infants
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Cited by 21 •
2011
The assessment and treatment of pain in infants is difficult because infants cannot verbally report their experience. In this video we describe quantitative electrophysiological methods and analysis techniques that can be used to measure the response to noxious events from the infant nervous system.
09:53
Humor or Rationality? The Neural Mechanisms of How Agent Type and Language Style Influence Satisfaction with Ride-Hailing Service Failure Recovery
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2026
This study employs ERPs to investigate how agent type (human/AI) and language style (humorous/rational) influence ride-hailing service recovery satisfaction, aiming to uncover neurocognitive mechanisms.
FAQs
Changing climate, sea levels, and continental positions altered the habitats available to organisms. These shifts could remove established ecological settings, create new ones, or separate populations across different environments. During the Paleogene, such conditions interacted with natural selection, so traits that improved survival or reproduction in altered habitats became more influential in shaping biological communities and diversification.
Ecological opportunity allowed surviving lineages to expand as new habitats and biological roles became available after major environmental disruption. Natural selection then favored characteristics suited to those conditions, while continuing climate and geographic changes altered which traits were advantageous. This framework connects diversification to changing environments rather than treating biological expansion as an isolated process.
Fossils show which organisms were present, stratigraphic layers place biological evidence in a sequence, and geochemical signals provide information about environmental conditions. Considering these evidence types together helps researchers connect changes in organisms with shifts in climate, sea level, and continental position. The combined record is more informative than interpreting biological change without its geological setting.
Researchers examine fossil evidence within stratigraphic layers and compare those biological patterns with geochemical signals. They can then relate changes in organisms to reconstructed shifts in climate, sea level, and continental position. This procedure supports broader interpretations of evolutionary history and helps identify how changing physical conditions influenced habitats, communities, and food webs.
Paleogene fossils provide evidence for the organisms that occupied ancient environments and help reconstruct how biological communities changed through time. When interpreted alongside geological and geochemical records, they can contribute to reconstructions of ancient food webs. These findings show how organisms were connected within ecosystems and how environmental changes reshaped those relationships.
The interval records biological recovery and expansion following severe disruption, while climates, sea levels, and continental positions continued to change. This combination provides a natural context for examining how organisms and ecosystems respond when habitats are reorganized. Biologists can use the record to connect environmental change with natural selection, diversification, and the formation of new terrestrial ecosystems.
Paleogene evidence links changes in organisms with the environmental conditions in which those changes occurred. Fossils document biological patterns, stratigraphic layers establish their sequence, and geochemical signals help reconstruct surrounding conditions. Together, these records allow biologists to investigate diversification, natural selection, ecosystem development, and the relationship between environmental disruption and evolutionary change.