|Table of Contents|

Differentiation of Morphology and Bite Force AmongPopulations of Takydromus septentrionalis(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2021年01期
Page:
104-110
Research Field:
·生态学·
Publishing date:

Info

Title:
Differentiation of Morphology and Bite Force AmongPopulations of Takydromus septentrionalis
Author(s):
Liang Xiaofang; Ji Xiang
School of Life Sciences,Nanjing Normal University,Nanjing 2l0023,China
Keywords:
Takydromus septentrionalis; bite force; character phylogeny; sexual dimorphis
PACS:
Q149
DOI:
10.3969/j.issn.1001-4616.2021.01.015
Abstract:
The relationship between form,function and ecology is very important for us to understand the process of phenotypic evolution and ecological evolution in biological organisms. Trait evolution between species and populations is the result of multiple factors. The Bite force of a vertebrate plays an important role in its life,mainly including eating habits,mate competition,territorial possession,defense against invaders and so on. In this study,the northern grass lizard(Takydromus septentrionalis)was used as a subject to explore the influence of living environmental factors on lizard morphology and bite force. After measuring the morphological traits of five populations,it was made a comparative analysis,on the differences in morphology and bite force between populations by studying the morphology,bite force and sexual dimorphism between different populations. The results showed that with the morphological size and bite force of the lizard increase as the average annual temperature of the land population decreases,however,the island population did not show this phenomenon. A significant positive correlation between the head size and the bite force of the lizard was found,and the obvious sexual dimorphism of head size,mouth opening and bite force of the lizard was also detected.

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Last Update: 2021-03-15