A student set up an experiment looking at the movement of water through a selectively permeable membrane. She attached membranes that were permeable to water, but not to sucrose, to the broad end of one thistle tube. She thought that she filled the thistle tube with 10% sucrose and the beaker with distilled water. When she measured the height of water in the thistle tube, she saw the results shown in this graph.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

so whats the answer

the answer is 100% density i've answered this question before and done the quiz myself.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.