Results 131 to 140 of about 2,764 (221)

An ant‐mimicking ant on an oceanic archipelago: Camponotus guanchus mimics Crematogaster alluaudi—An analogy with the situation of Camponotus lateralis (Hymenoptera: Formicidae)

open access: yesEcology and Evolution
Mimicry, that is, the imitation of any unpalatable or defensive species by another, has been of central interest to evolutionary research since Darwin's lifetime. Two ant species, Camponotus guanchus Santschi, 1908 and Crematogaster alluaudi Emery, 1893,
Antonio J. Pérez‐Delgado   +1 more
doaj   +1 more source

Spectacular pehnomena and limits to rationality in genetic and cultural evolution [PDF]

open access: yes, 2002
In studies of both animal and human behaviour, game theory is used as a tool for understanding strategies that appear in interactions between individuals.
Arak, Anthony   +3 more
core  

Redescription of Astyanax multidensEigenmann, 1908 (Characiformes: Characidae), a small characid of the Brazilian Amazon

open access: yesNeotropical Ichthyology
Astyanax multidensis redescribed based on syntypes and additional specimens from the rio Amazonas at Silves, Amazonas State and Óbidos, Pará State, and the rios Trombetas, Tapajós, Xingú, and Araguaia.Astyanax multidensis distinguished from congeners by ...
Manoela M. F. Marinho   +1 more
doaj   +1 more source

Pollination success in a deceptive orchid is enhanced by co-occurring rewarding magnet plants [PDF]

open access: yes, 2003
It has been debated whether pollination success in nonrewarding plants that flower in association with nectar-producing plants will be diminished by competition for pollinator visits or, alternatively, enhanced through increased local abundance of ...
Agren, J   +3 more
core   +1 more source

Isolation and characterization of pentadin, the sweet principle of Pentadiplandra brazzeana Baillon [PDF]

open access: yes, 2017
An aqaeous extract from the pulp of the plant Pentadiplandra brazzeana Baillon (Pentadiplandraceae) yielded a strong sweet-tasting material. This sweet principle was isolated by water extraction, ultrafiltration and gel filtration.
Glaser, D.   +5 more
core  

The Rhesus Factor and Disease Prevention [PDF]

open access: yes, 2004
First published by the Wellcome Trust Centre for the History of Medicine at UCL, 2004. ©The Trustee of the Wellcome Trust, London, 2004. All volumes are freely available online at: www.history.qmul.ac.uk/research/modbiomed/wellcome_witnesses/Annotated ...
Christie, DA, Tansey, EM, Zallen, DT
core  

Progress in Construction and Analysis of Evolutionary Research Framework for Butterflies

open access: yesShiyan dongwu yu bijiao yixue
Understanding the origins of animal diversity and their adaptive evolutionary mechanisms is one of the core issues in modern biology. Animal traits such as morphology, coloration, and behavior are shaped synergistically by the species' genetics and ...
YUE Junjiayu, ZHANG Wei
doaj   +1 more source

A new genus and species of nudibranch-mimicking Syllidae (Annelida, Polychaeta)

open access: yesScientific Reports
Nudibranch mollusks, which are well-known for their vivid warning coloration and effective defenses, are mimicked by diverse invertebrates to deter predation through both Müllerian and Batesian strategies. Despite extensive documentation across different
Naoto Jimi   +4 more
doaj   +1 more source

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