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Ichnology: This is the study of foot prints. Ichnology is a type of branch of geology which deals with traces of organismal behavior like as burrows or footprints. It is commonly considered as a branch of paleontology; however there is only one division of ichnology that is paleoichnology, deals with trace fossils. An ichnologist is scientist which area of study and research is ichnology.
Ichnology studies are based on the analysis or discovery of biogenic structures its features caused by living organisms. Burrows, trails, trackways or borings these all are examples of biogenic structures, but molds and casts of dead shells and other bodily remains are not examples of its. To keep trace or body fossils nomenclatorially separate, ichnospecies are used for erected the trace fossils.
Charles Darwin was the first person to suggest that: a. the present forms of all existing species are the result of natural selection b. species have changed over long periods of t
Q. How different are birds and reptiles concerning the maintenance of body temperature? Are birds rare in polar regions? Reptiles are heterothermic that is they do not control
Reptiles Heart is incomplete 4 chambered, ventricles are not divided completely 2 auricels & 2 ventricles. Sinus venosus present, Truncus artiorsus absent [In lizzard fo
Signify the term - Analogy, Analogous? Refers to structures that do not have the same evolutionary origin but have the same functions. The wings of a bat and insect are analogo
As the heart rapidly slows during recovery from exercise, PVCs commonly occur and usually have no clinical significance. This may be a time when metabolic adjustments in the heart
For an individual having a genotype formed of two different alleles that condition different varieties of the same phenotypical trait, upon what will the phenotypical feature actua
Demographic Transition As we saw earlier, death rates and birth rates have been nearly equal throughout much of human history. However, in Western Europe, death rates began to
Draw decanol, plamitic acid (C16:0 fatty acid) and the resulting wax ester generated by a dehydration reaction between both molecules.
Q. Define Stress Echocardiography with Adenosine? These have all been described. The information is that of wall motion abnormality indicating ischaemia. Ejection fraction can
Q. Management of Constipation? You must have realized by now that proper dietary and lifestyle management can help in maintaining the normal bowel movements to a great extent.
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