There are some fundamental differences in how creationists and evolutionists view life. Biblical creationists believe that God created various forms of life according to their kinds with the ability to reproduce and fill the earth (Genesis 1:21– 22, 24–28). This view includes the concepts that God had purpose in what He created and that it originally was very good (Genesis 1:31; Isaiah 45:18). In contrast, evolutionists view life as all descending from a single common ancestor by chance processes. Evolutionary arguments tend to imply that life isn't really very complex or well designed. For example, 100 years ago a cell was promoted as being nothing more than a blob of protoplasm, implying that it wouldn't be difficult for it to arise by chance. This proved to be wrong; cells are incredibly complex structures.1 At one time evolutionists argued that organs or structures with no known function actually had no function; at the time, this included hundreds of organs and structures in the human body. Instead, these were believed to be vestiges of evolution. This argument has become rather vestigial itself, as these organs have been found to have function.
Yet this argument reappeared in genetics. Most of the DNA in our bodies does not code for proteins, so it was labeled "junk DNA" by evolutionists who assumed it has no function. As research continues, it is becoming clear that this DNA has numerous essential functions.3 The evolutionary worldview has a dismal track record for anticipating the astounding complexity in life uncovered by scientific research.
If God created everything good and with a purpose, why are there disease-causing bacteria and viruses in the world? It is true that we first learned about bacteria and viruses because of the problems they cause. Bacteria have been studied in considerable detail and are now recognized to be mainly helpful and absolutely essential for life on Earth; bacteria that cause disease (which developed as a result of the Fall) are the exceptions, not the rule. But what about viruses: what purpose could they possibly have?
[Read the rest of the article at Answers in Genesis.]