Results 91 to 100 of about 3,946 (178)

Coadaptation of prenatal and postnatal maternal effects

open access: yes, 2007
In a wide variety of species, a female's age of first reproduction influences offspring size and survival, suggesting that there exists an optimal timing of reproduction.
Lock, Judith E   +3 more
core   +1 more source

SELEKTIVNOST PLIJENA U SOMA (Silurus glanis) I AFRIČKOG SOMA (Clarias gariepinus) [PDF]

open access: yes, 1999
The experiments aimed at prey selectivity in two Siluriformes predators. African catfish, Clarias gariepinus, and wels, Silurus glanis, were performed under laboratory conditions.
K. Fašaić, M. A. Siddiqui, Z. Adámek
core   +1 more source

The Birth of High Mass Stars: Accretion and/or Mergers?

open access: yes, 2005
The observational consequences of the merger scenario for massive star formation are explored and contrasted with the gradual accumulation of mass by accretion.
Bernasconi P. A.   +25 more
core   +1 more source

Reproduction in Gammarus (Crustacea, Amphipoda): female strategies [PDF]

open access: yes, 1993
This paper attempts to review the literature on Gammarus and examine how it allocates its internal resources when producing eggs. There is an extensive literature on the fecundity of freshwater species but almost nothing is known about the sizes and ...
Sutcliffe, David W.
core  

Hybrid black widow optimization with iterated greedy algorithm for gene selection problems. [PDF]

open access: yesHeliyon, 2023
Alweshah M   +6 more
europepmc   +1 more source

Size-dependent aggression towards kin in a cannibalistic species. [PDF]

open access: yesBehav Ecol, 2022
Fouilloux CA   +3 more
europepmc   +1 more source

The laboratory culture and development of Helicoverpa Armigera [PDF]

open access: yes, 1992
Techniques for the laboratory rearing of Helicoverpa armigera, an important pest of food crops in the Old World tropics, are described. Methods for rearing all stages of the insect are given, including recepies for artificial diets and recommendations ...
Armes, N. J., Bond, G. S., Cooter, R. J.
core  

Maternal care provides antifungal protection to eggs in the European earwig [PDF]

open access: yes, 2017
Many insects raise their offspring on organic substrates or in the soil where microorganisms are abundant. Microbes may pose a serious threat to offspring development and survival by either decomposing food resources or directly infecting the offspring ...
Boos, Stefan   +3 more
core  

Spawning, intracapsular development and production potential of viable juveniles of a murex Chicoreus virgineus var. ponderosa Sowerby under laboratory conditions [PDF]

open access: yes, 2013
Muricids are commercially important gastropods and are exploited primarily for shell craft industries. They also occupy a niche in ornamental keeping. Studies on the larval development of muricids in Indian waters are few.
Jagadis, I   +3 more
core  

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