Regarding the evolution question, here is the full definition referred to:
ev·o·lu·tion
/ˌevəˈlo͞oSHən/Noun
1.The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the...
2.The gradual development of something, esp. from a simple to a more complex form.
Meaning two is not talking about biological evolution only, it is merely talking about change, and is the sense one would be using if talking about 'the evolution of the modern automobile', for instance. In biological evolution, it is not that unusual to evolve to a simpler form, as is often the case with parasites.
ev·o·lu·tion
/ˌevəˈlo͞oSHən/Noun
1.The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the...
2.The gradual development of something, esp. from a simple to a more complex form.
Meaning two is not talking about biological evolution only, it is merely talking about change, and is the sense one would be using if talking about 'the evolution of the modern automobile', for instance. In biological evolution, it is not that unusual to evolve to a simpler form, as is often the case with parasites.