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A mutation occurs in the genotype of an organism. This results in a beneficial phenotype being expressed. This organism now has a survival advantage. Therefore, it will live longer. This means it will hav...

exchange surfaces require a small diffusion distance enabling the fast exchange of compounds, good blood supply to maintain a concentration gradient. This allows for the most efficient diffusion

1) Temperature: increasing the temperature increases the rate of reaction, however this can only happen to a certain point as beyond each enzyme's optimum temperature they get denatured (...

Mitosis is used for asexual reproduction and produces 2 identical daughter cells which will have the smallest number of chromosomes as the parent cell, whereas meiosis is used in sexual reproduction and ...

Your immediate logical answer is that if they eat before the test then that will confuse the blood glucose levels. This is correct, but you just need to adjust your answer so it makes sense and relate it ...