Why do animal eyes have pupils of different shapes?
نویسندگان
چکیده
منابع مشابه
Why do animal eyes have pupils of different shapes?
There is a striking correlation between terrestrial species' pupil shape and ecological niche (that is, foraging mode and time of day they are active). Species with vertically elongated pupils are very likely to be ambush predators and active day and night. Species with horizontally elongated pupils are very likely to be prey and to have laterally placed eyes. Vertically elongated pupils create...
متن کاملBacterial morphology: why have different shapes?
The fact that bacteria have different shapes is not surprising; after all, we teach the concept early and often and use it in identification and classification. However, why bacteria should have a particular shape is a question that receives much less attention. The answer is that morphology is just another way microorganisms cope with their environment, another tool for gaining a competitive a...
متن کاملDo women and myopes have larger pupils?
It is commonly reported that the pupils of women are larger than those of men and the pupils of myopes larger than those of emmetropes. However, these reports are not supported by experimental procedures using objective measurements, controlled conditions, and adequate numbers of subjects. In this report the open-loop pupil size was measured objectively using dynamic infrared pupillometry in a ...
متن کاملWhy Do Universities Have Endowments?
Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at http://www.jstor.org/about/terms.html. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your perso...
متن کاملWhy Do We Have Managers?
Economic actors have to make lots of decisions, and the paper is based on the premise that it takes time to be involved in any one of them. Attempts to economize on decision-making time imply that groups of peers may abdicate decision-making authority to a small set of managers even though this means that the information and preferences of the uninvolved players are neglected. We find that play...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Science Advances
سال: 2015
ISSN: 2375-2548
DOI: 10.1126/sciadv.1500391