1a) Osmosis is the Passage of a solvent (such as water) from a lower- concentration solution to a higher-concentration solution, through a semi-permeable membrane (that allows the solvent to pass but not what is dissolved in it) separating the two solutions. 1b 1.sunlight 2.sand 3.water 4.air 5.temperature 3ai) organ is the collection of similar organ that comes together to perform a tissue 3aii) Life , tissue , organ , cell 3bii) i. They are specific in action ii. they are proteinous in nature , iii. they are affected by temperature, iv. action on enzymes are reversible.
Posted on: Tue, 08 Jul 2014 09:55:54 +0000
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