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What would happen if you put something less dense then water into water what would happen if you put something just as dense as water into water and what would happen if you put something more dense?
-- It would float in the water, with part of it above the surface. -- It would hang just below the surface, or at whatever depth you placed it. -- It would sink down through the water like a rock.
Why mosquito pupa hang just below the water surface?
The mosquito pupae hang just below the surface of the water in order to draw oxygen from the atmosphere through two tubes on their backs.The pupae can also swim under the surface of the water when disturbed,but ultimately have to return to the surface at some point to draw more oxygen.If the pupae is unable to draw oxygen for some reason,for example a film of oil has appeared on the surface,then they will die. Mosquito larvae behave in the same way,drawing oxygen from tubes at the tail end,the larvae go through 4 stages of growth,shedding skin each time,before becoming pupae,which then emerge as a full adult mosquito.most species of mosquito larvae have to draw oxygen in this fashion.
How do mosquito larva hang just below the water surface help the adaptation?
The mosquito larva breath by putting their posterior on to the water surface film and breathing air. At one time spraying DDT was used on mosquito breeding areas to destroy the larva. Unfortunately, the side affect to wildlife proved too great to allow DDT to continue - and DDT was banned.
Why does the mosquito larvae hangs below the water surface?
Mosquito larvae hang below the water surface to lessen chances of being seen by predators. Also, this allows them to feed off food on top of the water easier.
In which flying machine does the pilot hang below the wing?
Hang Glider
What does the quote hang on to the water wagon bub mean?
hang on to the water wagon
Why does eucalyptus leaves hang vertical?
To decrease the amount of surface area of the plant exposed to the sun. This decreases the amount of transpiration therefore minimising water loss.
Where do dolphins like to hang out?
in water
What happened to the needle when you added 2-3 drops of the detergent solution?
If you have floated a needle on the surface of the water in a glass then adding a little detergent will cause the needle to sink. This is because the presence of the detergent changes the surface tension of the water so that it can no longer support the needle.
Can whales swim at or soon after birth?
they get the hang of it a throw seconds after birth but un till then the mother will hold the baby's head out of the water by going under the young and pushing towards the surface
What happen to the needle when you added 2-3 drops of the detergent solution?
The needle floats on the tensioned surface of the water. When the detergent is added, the surface tension is broken and the needle sinks. Larva of mosquitoes hang from the surface to breath air. Pond-skaters can move across the surface, as can many aquatic insects. Detergent will also cause insects to sink.
How long after birth can whales swim?
they get the hang of it a throw seconds after birth but un till then the mother will hold the baby's head out of the water by going under the young and pushing towards the surface
