Osmosis and diffusion virtual lab(1) References Mailings Review View Help Tell m

Question

Osmosis and diffusion virtual lab(1) References Mailings Review View Help Tell me what you want to do e installed, but first we need to close some apps. Update now If Elodea and Paramecium live in freshwater, can they survive if they are placed in ocean water? Support your answer. 2. 3. If you cook a steak, is it better to put salt on before or after it's been cooked? Why? 4. An effective way to kill weeds is to pour salt-water on the ground around the plant. In terms of osmosis, why is this is an effective method of control?

Explanation / Answer

2. Fresh water is hypotonic to these organisms and they gain water by endosmosis. This water is expelled by large contraction vacoule. Oceans have marine environment and in marine environments water will move out of these organisms by exosmosis as exrernal medium is hypertonic for them. In order to survive they have to take in abundant water. There are species of param3cium known to live in marine water but they carry out the process of osmoregulation by taking in abundant water from surroundings.

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