Why bryozoans have avicularia : a review of the evidence
In the present paper I review the history of speculation on the adaptive function of avicularia and evaluate the evidence for the various functions suggested for them: defense, food-gathering, …
Why bryozoans have avicularia : a review of the evidence.
In the present paper I review the history of speculation on the adaptive function of avicularia and evaluate the evidence for the various functions suggested for them: defense, food-gathering, …
Avicularium - Wikipedia
The avicularium (pl. avicularia) in cheilostome bryozoans is a modified, non-feeding zooid. The operculum, which normally closes the orifice when the zooids tentacles are retracted, has …
Polymorphism and vestigiality: comparative anatomy and …
2010年7月25日 · We examine palatal morphology of the avicularia from five species of cheilostome bryozoans and compare the ultrastructural anatomy of the avicularia from two …
Developmental Process of a Heterozooid: Avicularium Formation …
2021年2月25日 · In this study, therefore, in order to understand the detailed developmental process and timing of avicularium formation, extensive observations were carried out in a …
Why bryozoans have avicularia - Semantic Scholar
Avicularia are polymorphic zooids characteristic of most species of cheilostome bry- ozoans. We examined the morphological diversity of avicularia to elucidate morphometric patterns in 38 …
The Functional Morphology of Avicularia in Cheilostome Bryozoans
2008年1月1日 · Avicularia are modified zooids characteristic of cheilostome bryozoans. Through evolutionary time the functional capacity of the polypide has evolved and is now a vestigial …
Morphological differentiation of Avicularia and the proliferation …
Eighteen of a total 60 quantitative characters measured on avicularia and ordinary and ovicell-bearing autozooids were sufficient to distinguish eight species of Wilbertopora by discriminant …
Small, but smart: Fine structure of an avicularium in
2021年12月13日 · Bryozoans are small benthic suspension-feeding colonial animals. Among this phylum, there are representatives showing a lesser or greater degree of polymorphism, and …
(PDF) Polymorphism and variation in modular animals: Morphometric …
2010年1月28日 · Avicularia are polymorphic zooids characteristic of most species of cheilostome bryozoans. We examined the morphological diversity of avicularia to elucidate morphometric …