I think the most suitable answer is carbohydrates as it can be monosaccharide, disaccharide or polysaccharide.
By studying a particular species .
D. an arctic fox is brown in summer and white in winter
Answer:
Antibiotic resistance happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them. That means the germs are not killed and continue to grow. Infections caused by antibiotic-resistant germs are difficult, and sometimes impossible, to treat.
Explanation:
