On a sunny day at an open market a vendor, Ms Milly, occasionally sprinkles water on her wilting lettuce. During the day Ms Milly’s lettuce are firm and ready for sale. (i) Distinguish between “diffusion’’ and “osmosis”. (2 mark) (ii) Identify the process that resulted in Ms Milly’s wilting lettuce becoming firm. (1 mark) (iii) Explain how the process identified in (b) (ii) kept the lettuce firm. (2marks) (iv) Suggest a suitable method, other than sprinkling, that a consumer could use to keep the lettuce firm.

Scientists studied reproduction in the new zealand mud snail to answer the question, “are there benefits to reproducing sexually or asexually? ” which of these hypotheses would least likely aid the scientists as they worked to answer the question? sexual reproduction is advantageous over asexual reproduction because it reduces the rate of mutation accumulation. asexual reproduction is advantageous over sexual reproduction because it allows the snails to produce more offspring. sexual reproduction is advantageous over asexual reproduction because it allows for snails to have increased genetic variation. asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social