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Behavior and ultrastructure of sensory organs in rotifers
For the most part, rotifer behavior consists of simple, coded responses to external stimulation. Though these responses are readily observable, they... -
The Importance of Theory for Reconstructing the Evolution of Language and Intelligence in Hominids
Although we anthropologists are academically licensed mythologists charged with explaining how “the man got his skin,” etc., our stories tend to... -
Adaptive Strategies Adopted by a Free-Ranging Troop of Vervets When Placed in a Specially Designed Enclosed Environment
Cercopithecus aethiops has successfully adapted to all the different types of African environments which range between high rainfall... -
Repertoire convergence in two Mangrove ants,Zacryptocerus varians andCamponotus (Colobopsis) sp.
The convergence of Zacryptocerus varians and Camponotus (Colobopsis) sp. is manifest in three ways: i) Structural convergence (shield-headed major...
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Aims, Methods, and Areas of Ethology
The goal of ethology is the investigation of behavior with the methods used in the natural sciences. However, to define the concept of behavior is... -
Gallery construction byNasutitermes Costalis: Polyethism and the behavior of individuals
Using records of complete behavioral sequences (including act durations) recorded for more than 8000 individual workers visiting specially prepared...
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Comparison of male agonistic behavior in five species of cockroaches
Five species of cockroaches were analyzed with respect to their agonistic behavior. Agonistic acts were analyzed using four criteria: characteristics...
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Social organization of nest emigration inLeptothorax (Hym., Form.)
The investigated species of the genus Leptothorax have small colonies and nest in fragile nest sites. Thus they depend on frequent nest emigrations,...
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Antifouling adaptations of marine shrimp (Crustacea: Decapoda: Caridea): Functional morphology and adaptive significance of antennular preening by the third maxillipeds
Preening (cleaning, grooming) of the antennules and other cephalothoracic appendages by the third maxillipeds was observed in several species of...
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Behavioral discretization and the number of castes in an ant species
1. Two extreme possibilities in the evolution of temporal castes can be envisaged. First, workers can undergo changes in responsiveness to various...
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Neuroethology of sound production in gomphocerine grasshoppers (orthoptera: acrididae)
1. Sound production of grasshoppers is based upon central motor patterns which are hierarchically organized at various functional levels (Fig. 2)....
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The Behavior Patterns of Desert Rodents
It is difficult to define a desert in a precise fashion. Arid to semi-arid areas may vary in the form of their vegetation; this ultimately reflects... -
Mouse mutants studied by means of ethological methods
In order to determine in how far some known genes will affect the behaviour of mice ( Mus musculus L. ) the author used the ethological method for...