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!
Ram Ventilation
Some fish do not use pumping action for gill ventilation. It has been known for long that large tunas cannot be kept alive in captivity unless they are put in circular tanks where they can swim continuously. The fish swim with their mouths partly open and there are no visible breathing movements. Water flows continuously over their gills. This is known as ram ventilation.
It is now known that many fish breathe by pumping at low speed and change to ram ventilation at high speed. In this case the work of breathing is transferred from the muscles of the opercular pump to the muscles of the body and tail. However, ram ventilation is more economical as far as energy consumption is concerned than opercular pumps at high rates required for fast swimming.
Protozoans Prokaryotes represent only a few thousand of the estimated 2 million species of living beings known on the earth today. The rest are mostly eukaryotes that form the
Flagellates - Parasitic Protozoan Several flagellate protozoa parasitise man and live in the blood stream or tissues of the reticulo-endothelial system. Most significant of th
a 6th grade student friendly definition?
Chloroplasts are disk-like organelles with the double membrane found in the eukaryotic plant cells; contain thylakoids and are the site of photosynthesis. ATP is generated during
What is the main evolutionary novelty presented by annelids? The main evolutionary novelty shown by the beings of the phylum Annelida is the coelom, the internal body cavity to
Explain about the Family and Social History - Assessment Recent studies suggest that genetic variation plays an important role in etiology of learning problems. Hence, the col
theory of scientific naming system
Explain Pure Culture Techniques We learnt the techniques involved in sub-culturing, i.e., the process involved in transfer of culture from one medium to another or transfer of
What are the alleles of a gene? The Diploid individuals have paired chromosomes. For instance in humans there are 23 pairs of chromosomes totaling 46 chromosomes. Every pair co
E c h o c a r d i og r ap h y : It is an exceptionally useful technique for diagnosing cardiovascular diseases, particularly in small an
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: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd