In nature, selective pressures on populations are varied and interrelated. select the primary type of selection best describing the situations below based on the information presented. pathogenic bacteria found in many hospitals are antibiotic resistant. brightly colored peacocks mate more frequently than do drab peacocks. fossil evidence indicates that horses have gradually increased in size over geological time. the cheetah is reputed to be the fastest land mammal. the evolutionary process that gave rise to this speed is most likely what kind of selection

Pathogenic bacteria found in many hospitals are antibiotic resistant.

Explanation:

Antibiotics are chemical compounds able to kill or stop the growth of bacteria. Antibiotics are used as medicine  to kill pathogenic bacteria within the human body.

Although antibiotics are designed to kill bacteria, bacteria evolve quite fast and it is very common to see how bacteria adapt and become resistant to antibiotics. This is a clear example of natural selection.

Natural selection is a process in which the best adapted individuals have greater of survival and passing their genetic traits on to the next generation. In relation to antibiotics, although they manage to kill many bacterial individuals, some few individulas survive, and they become resistant to that antibiotic. For this reason, the pharmaceutical industry is always trying to make more potent antibiotics.

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explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.