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!
Spiracular Control - Respiration
Another very interesting system of spiracular control is seen in some insect species. The spiracles are kept closed tightly most of the time. When the insect requires oxygen the spiracles open partially and close rapidly again. This 'fluttering' of the spiracle lets the air enter in a streaming movement without much loss of water.
Once a high partial pressure of oxygen is reached the spiracles close. While the oxygen is utilised by the tissues the carbon dioxide is stored temporarily in the tissues as bicarbonates thus keeping the Pco2 within tolerable limits, when Pco2, reaches a critical limit the spiracles open fully and expel the carbon dioxide in a single burst and the cycle is repeated.
Q. What are the two major divisions of the chordate phylum? Chordates are divided into vertebrates and protochordates (urochordates and cephalochordates). Q. What are the d
ROLE OF ENZYMES IN METABOLISM Enzymes require a non-protein part for their optimal activity, which may be a coenzyme or a metal ion. This has also been stated earlier that
#question.what are the reason that arthropodans are abundant in nature.
Q. Write the meaning of Polydypsia? Increased Thirst (Polydypsia): As the patient is losing more water through excessive urination, the patient feels thirstier and tends to tak
Q. Why some trees lose their green color in the autumn? In autumn nights longer and days become shorter thus there is a reduction of the photosynthesis rate and some plants pre
Colonial Theory - Metazoa This is the most popular theory on the origin of Metazoa. The idea was conceived by Haeckel (1874) modified by Metschnikoff (1886) and revived by Hy
P A TTERN OF GROWTH - 1 . ISOMETRIC - In it an organ grows at the same rate as the rest of body. External form of body is not changed. eg. fish, locust. 2 .
HEREDITY 1. Like begets like i.e; every living organism reproduces its own kind. Frog reproduce frogs, rats reproduce rats only. 2. Heredity includes the cha
What is the classification scheme for echinoderms?
Jet Lag Disturbance of body and environmental rhythms resulting from a rapid change in time zones gives rise to jet lag, which is characterized by insomnia, decreased quality
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