Swim bladder of fishes
Explain, how does the swim bladder of fishes work permitting the fishes in order to control their depth under the water?
Expert
From Hydrostatics concept, it is already known that an object never sink in case its density is equal or less as compared to the density of fluid in which it is immersed. When swim or gall bladder is filled with gas it decreases the density of body of fish and when it is emptied this density is rises. This mechanism controls depth of the fish under the water.
Name some representatives of an echinoderm phylum? Answer: Starfishes, sea cucumbers (or holothurians), sea urchins and brittle stars are some illustrations of echin
Specify the heterotrophic hypothesis in origin of life?
In the market place mostly modern countries put banned on the trading of human organs. Which people are most likely to be capable to get the organs that they need and why?
What is the Larynx and Vocal Cords?
Explain in short regarding histamine?
State the function of anti-diuretic hormone? Where it is made and which - stimuli increases or reduces its secretion?
Describe the way of life of sponges?
1) Interaction among members 2) Common interests or goals 3) People see themselves as members 4) Two or more people are needed to form groups
Why are various kinds of hemorrhagic diseases caused by the genetic or acquired deficiency of vitamin K metabolism?
Why are vaccines made of own disease agent or of the fragments of it?
18,76,764
1925437 Asked
3,689
Active Tutors
1414033
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!