<u>Antibiotics are used to kill bacteria:</u>
Antibiotic is a naturally produced substance that is used to kill bacteria. The first antibiotic was penicillin produced from fungus. The word antibiotic means against life which means it is against the life of pathogenic bacteria.
In the case of the living organism that is treated antibiotic is ‘pro life’. Antimicrobials are used to kill pathogenic microbes like fungus, bacteria, virus etc. Sometimes the microbes become resistant to the antimicrobials and they are said to develop is antimicrobial resistance.
When pathogens develop antimicrobial resistance newer drugs have to be developed in place of the earlier ones to treat the disease.
<span>Stabilizing selection operates when individuals within a population of average body size have more offspring than those of large or small body size. this is the worlds way of stabilizing the population to a safe average.</span>
It generally complained of flu-like symptoms (headache, fever, muscle pain, sore throat) followed closely by stomach pain, vomiting, and diarrhea, which sometimes progressed to the bruising and hemorrhaging that he was seeing in his current patient.
I thinks it is a NUTRIENT
Given the age of the meteorite is 4.5 billion years old with 78 atoms of lead-206 the answer should be B. 156. The half-life of uranium-238 in order to decay into lead-206 is 4.46 billion years, which means that the original number of atoms is 156.