Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Explain Sound production - Ethological Approach in Taxonomy
The most used, ethological feature in identification is the sound produced by various species of animals. This is as it has been observed that the sound patterns of the various animal voices and their mating calls, recorded on the spectrograms or sonograms are unique for each species. The uniqueness of the mating calls plays an important role in speciation or isolation mechanism. This is due Lo the fact that females of a particular animal species ate only attracted to and respond to the mating
Figure: Sound spectrograms of three species of, birds (After 'Thielcke, 1964).
or breeding call of their own male species, thus avoiding breeding with other species. Due to this the spectrograms of mating calls in birds has helped greatly in identifying closely related species.
For recording insect sounds a similar device called recording oscilloscope is usually employed. Such recordings have helped greatly in identifying sibling species of the Gryllus (field cricket) complex. Sound patterns have also been used in other animals like other insects, amphibians, mammals etc.
Figure: Sound spectrograms or sonograms of three species nf Gryllus (ficld cricket)
What is the type of egg in which yolk is absent?
Cardiac Cycle Cardiac cycle has two phases-systole and diastole. Ventricular systole and diastole occur as a result of depolarization and chamber volume and pressure. The di
SPECIE S CONCEPT - According to Davis and Heywood species define as assemblage of individuals with morphological features in common and separable from other such assembla
Three point charges are located at the corners of an equilateral triangle as in the figure below. Find the magnitude and direction of the net electric force on the 1.40 µC charge.
Clone (verb) is the action of duplicating the genetic material within a vector. To clone the piece of DNA, one would insert it into some type of the vector (like, a plasmid) and p
What is the essential condition for a protein to be identical to another protein? For a protein to be identical to another protein it is essential for the sequence of amino aci
Many common methods are employed for the removal of impurities from water. Some of them are: Sedimentation Filtration Reverse osmosis Electro dialysis Aeration
Estrus - Estrous cycle This is the period of heat, and copulation is permitted only at this time. This condition lasts from 9 to 15 hours and is characterised by a high rate o
Beginning with the entry of fatty acid into target cells, describe in detail how inactivation of carnitine can lead to a high level of fatty acids in the blood.
What are plant hormones? Plant hormones, also known as phytohormones, are substances that control the embryonic development and the growth of the adult plant.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd