Results 91 to 100 of about 6,729 (216)

A systematic review of animal predation creating pierced shells: implications for the archaeological record of the Old World [PDF]

open access: yes, 2017
BackgroundThe shells of molluscs survive well in many sedimentary contexts and yield information about the diet of prehistoric humans. They also yield evidence of symbolic behaviours through their use as beads for body adornments.
Kubicka, Anna Maria   +3 more
core   +3 more sources

BIODIVERSITY OF ECHINODERMATA IN MARSEGU ISLAND

open access: yesSriwijaya Journal of Environment, 2017
Echinoderms are key species that govern the structure and balance of communities and influence the sustainability of other organisms in different types of ecosystems in sea water.
Bijaya Latupono   +2 more
doaj   +1 more source

KELIMPAHAN DAN POLA SEBARAN Echinodermata DI PULAU KARIMUNJAWA JEPARA [PDF]

open access: yes, 2017
Echinodermata merupakan hewan laut yang memiliki kulit berduri atau berbintil, terdapat lima kelas Yaitu Holothuroidae, Asteroidea, ophiuroidea, Echinoidea dan crinoidea. Biota Echinodermata ini umum dan banyak dijumpai didaerah pantai.
Ali, Akhmad Izudin   +2 more
core  

Novas citações de Chytridiomycota e Oomycota para o Parque Estadual das Fontes do Ipiranga (PEFI), SP, Brasil New records of Chytridiomycota and Oomycota from the "Parque Estadual das Fontes do Ipiranga (PEFI)", SP, Brazil

open access: yesActa Botânica Brasílica, 2007
Levantamento de fungos zoospóricos realizado em lagos artificiais do Parque Estadual das Fontes do Ipiranga (PEFI), situado na cidade de São Paulo, Estado de São Paulo, Brasil, resultou no isolamento de 41 táxons, sendo 36 identificados em nível ...
Carmen Lidia Amorim Pires-Zottarelli   +1 more
doaj   +1 more source

Inferring the developmental basis of the sea star abnormality "double ambulacral groove" (Echinodermata: Asteroidea) Inferencia sobre la base de desarrollo en estrellas de mar de la anormalidad "doble surco ambulacral" (Echinodermata: Asteroidea)

open access: yesRevista Chilena de Historia Natural, 2000
Very rarely a ray of a sea star is unusually wide and has two parallel ambulacral grooves that extend to a single tip. Such a ray has two terminal plates that are coalesced laterally.
FREDERICK H C HOTCHKISS
doaj  

Sea star (Echinodermata) species diversity and distribution in the south-east of Iran (Gulf of Oman) [PDF]

open access: yes, 2014
Echinoderms are one of the oldest and most important groups of marine organisms which play an important role in the marine ecology especially in the coral reefs.
Esfandiar pour, Fatemeh   +3 more
core  

A new zoroasterid asteroid from the Eocene of Seymour Island, Antarctica [PDF]

open access: yesActa Palaeontologica Polonica, 2021
EVANGELINA E. PALÓPOLO   +4 more
doaj  

Complete mitochondrial genome analysis of Aquilonastra batheri (Echinodermata, Asteroidea, Valvatida)

open access: yesMitochondrial DNA. Part B. Resources, 2018
In this study, we determined the complete mitochondrial genome sequences of Aquilonastra batheri. This is the first study on mitochondrial genome sequencing of the genus Aquilonastra belonging to the family Asterinidae, order Valvatida, and class ...
Taekjun Lee, Sook Shin
doaj   +1 more source

Deep-water Asteroidea (Echinodermata) collected during the TALUD cruises in the Gulf of California, Mexico Asteroidea (Echinodermata) de aguas profundas recolectados durante cruceros TALUD en el Golfo de California, México

open access: yesRevista Mexicana de Biodiversidad, 2011
During a series of cruises aboard the R/V "El Puma" aimed at collecting the deep-water benthic and pelagic fauna off the Pacific coast of Mexico, in the eastern Pacific, samples of Asteroidea were collected below 500 m depth (587-1 526 m). A total of 335
Michel E. Hendrickx   +2 more
doaj  

Biomixing by chemotaxis and efficiency of biological reactions: the critical reaction case

open access: yes, 2012
Many phenomena in biology involve both reactions and chemotaxis. These processes can clearly influence each other, and chemotaxis can play an important role in sustaining and speeding up the reaction.
Alexander Kiselev   +3 more
core   +1 more source

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