New species often form on new islands because they evolve to fill new niches
Antibiotic resistance happens when an antibiotic lost its ability in controlling or killing bacterial growth. At this moment the bacteria are already resistant to the antibiotic and are multiplying even though the drug is present. This is a natural phenomenon.
The virus life cycle could be divided into six steps: attachment, penetration, uncoating, gene expression and replication, assembly, and release.
Hydrophilic heads, hyrdophobic tails. Heads are made of phosphate and the tails are made of lipids.
