<span>Some antibiotics are almost useless, because pathogens have developed a resistance to these antibiotics.
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Shallow mean water in which you can see the soil bed of earth. so shallow near shore represent the water body near shore where light can reach to depth, in which every thing on sea floor can be seen
A population of organisms must exist. There must be variation among the members of the population. There must be a mechanism by which some members of the population can produce more offspring than other members. There must be a mechanism by which the variation among members of the population is passed on to their offspring.
