The methicillin-resistant form of the bacterium commonly known as staph was first identified in the 1970's in hospitals, but it has since spread across the world, showing up in day cares, schools and other public spaces. Today, 1.2 million MRSA infections occur in hospitals in the U.S. and invasive MRSA kills over 19,000 per year,However, In the past, penicillin was used to treat Staphylococcus aureus infections. Shortly after, S. aureus became resistant to penicillin. During the 1950s, derivatives of penicillin was discovered by pharmaceutical companies that could treat Staphylococcus aureus . The graph below depicts the Spread of Antibiotic-Resistant S. aureus Infections in the United States. Separate curves are shown for bacteria that caused infections in the hospital ("Hospital-Acquired") and in healthy people in the community ("Community-Acquired").
information found at https://www.biologycorner.com/worksheets/case_study_bacteria_resistance.html
The reason chameleons change color is to allow them to camouflage where ever they are so that they can hide better from predators.
Answer:
Mice have four legs, four feet and one tail per unit-mouse.
The weakest class is Q. Hope this helps
There is one primary root in a taproot system. The taproot system is where the primary root will become the main root and it will be branching roots. The other type of root is called Fibrous root system. The difference is that the taproot system is deep-rooted.
