They are unicellular marine planktonic protists (algae) with photosynthetic ... Coccolithophores live in the photic zone (the surface waters, where sunlight ...
The Oceanic Carbon Cycle: Biological Pump Primary producers: who are they? How does the pump work: transport to the bottom Open ocean ecosystems high diversity: DEEP ...
Phytoplankton. The Microscopic Drifting Primary Producers of the Ocean ... Restricted to the photic zone...Why? Adaptations for Phytoplankton Success ...
Lithostratigraphy a. description of unit properties (e.g. color, texture, particle shape, stratification, lithology) b. named after dominant grain size fraction c. ...
Most planktonic and many benthic microfossils have wide geographic distributions ... to contain both planktonic and benthic phases in their reproductive cycle and ...
Carbonate Fluxes During Earth History William W. Hay GEOMAR Kiel, Germany An Analysis of the Ronov Database The database was built under the direction of Alexander ...
The terminal Cretaceous extinction. In the ... The terminal Cretaceous extinction ... iridium in a thin layer in Italy, at the Cretaceous Tertiary boundary ...
Cretaceous System was named in 1822 for deposits that are 'chalky' ... Carnivores T. rex, terrestrial crocs lions. Flying scavengers flying reptiles vultures ...
Cambrian fauna: trilobites, inarticulate brachiopods, primitive molluscs & echinoderms ... Among arthropods, the shell-crushing crabs are the big news ...
biogenic-remains of marine organisms vs. terrigenous-derived of the earth. shallow water biogenic sediments (reefal ... benthic/benthos: bottom dwellers ...
... parts of Virginia, Maryland, West Virginia, Pennsylvania and the entire District ... and undergraduate students have participated in field and lab data collections ...
ALTERNATE APPRAISALS OF YOUNGEST U-PB GRAIN AGES IN DETRITAL ZIRCON POPULATIONS OF ... and Cretaceous time (thumbnail version reproduced below), but post-2004 data ...
ultraplankton - bacteria and other very small plankton, 5 m (0.005 mm) ... mostly high trophic level carnivores, but a few are herbivores (e.g.,anchovy) ...
... EA2663, Universit de Nantes, 2 rue de la Houssini re, BP 92208, F-44322, France. ... The maximal carbon stock sampled during the blooms was quite similar for the ...