Tools for linguloid taxonomy: the genus Obolus (Brachiopoda) as an example
نویسندگان
چکیده
منابع مشابه
Numerical taxonomy of the genus Glycyrrhiza in the Hyrcanian region
Noticeable variation was observed in a number of morphological characters in the Glycyrrhiza specimens in various habitats in north of Iran. To study these variations, two taxa related to the Hyrcanian region from all four known taxa of this genus in Iran, including Glycyrrhiza echinata, and G. glabra var. glabra were studied by numerical taxonomy using morphological characters in three provinc...
متن کاملnano-rods zno as an efficient catalyst for the synthesis of chromene phosphonates, direct amidation and formylation of amines
چکیده ندارد.
Scientific laws as tools for taxonomy
Many people hold that laws of empirical sciences are general hypotheses whose validity is tested by observations. According to them, these kind of tests are done as follows. Given a law, from a conjunction of this law with some other hypotheses several sentences are deduced. These deduced sentences make assertions about phenomena which should be observed at some specified times and places. Then...
متن کاملA revision on the taxonomy of the genus Pseudocercospora
Bakhshi. M. 2019. A revision on the taxonomy of the genus Pseudocercospora. Plant Pathology Science 8(1):1-14. DOI: 10.2982/PPS.8.1.1. Pseudocercospora species are plant pathogenic fungi occurring on a wide range of herbaceous and woody plants. Since its early description of the genus, its taxonomy has always been challenging. In recent years, Multi-gene DNA sequence data have provided sig...
متن کاملWhen Do We Feel Sorry for Others? : An Externality of Lake Use as an Example
The purpose of the study was to verify, through the use of an experimental method, the assumption that the ‘economic human’ pays more attention to the externality he/she causes as the strength of externality increases. We used a social-experiment design within an undergraduate classroom to test assumptions, using statistical method. A lakeside plant was used as an example. Our results confirmed...
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: Carnets de géologie (Notebooks on geology)
سال: 2002
ISSN: 1634-0744,1765-2553
DOI: 10.4267/2042/301