Naturalists contend that biological similarities between particular animal species argue the case affirming evolution. There are different kinds of animals possessing physical similarities to other animals. This is factual. The same applies to plants, as certain species have structural likenesses with other plants. But does this indicate that they are related via evolutionary processes, or does it reveal that a common creator made them?
Evolutionists use the word homology when describing things of a similar physical nature. In naturalism, homology means similarity due to common origin at all levels (organism, population, and species). Evolutionary biology claims homologous structures changed for diverse purposes due to lineage with modification from a common ancestor. Atheistic scientists consider this to be significant evidence for evolution. The problem for evolutionists is the fundamental lack of evidence currently involving a species moving from one form into another. In other words, change is not occurring presently, which questions the entire premise of evolutionary theory. Clearly, the presence of common characteristics does not prove a thing.
Millions of living things possess unique and unusual structures that exclusively help them. Take, for example, Lysozyme. Its distinctiveness slams the theory of evolution. Lysozyme plays a crucial role in the immune system. It is an abundant protein found in various secretions such as tears, milk, urine, saliva, and mucus. This antimicrobial enzyme is essential in protecting against bacteria, viruses, and fungi. Lysozyme forms a desirable non-toxic barrier in plants which eliminates the infestation of various plant pests and promotes vegetal growth in the process. Lysozyme disintegrates bacteria by rupturing the cell wall or membrane. Moreover, this same enzyme is discovered in egg whites protecting baby chicks from infection. So, we know this enzyme guards both humans and chickens. Does this mean that humans evolved from chickens at some point in time?
Richard E. Dickerson, an American biochemist, sought to locate the exact point at which humans forked off the family tree. After comparing lysozyme and lactalbumin, a small protein, Dickerson decided humans are direct descendants of chickens. The researcher suggested that in this respect, people are more closely related to chickens than any other living creature, including chimpanzees, orangutans, gorillas, and bonobos. Now, this is problematic for the whole evolutionary model. Scientists say humans are most closely similar to the great apes in their DNA configuration. So, which is it, the chicken or the ape?
Specific testing has been done concerning the gravity of blood. The experiments were conducted on various land animals, including humans. The study of blood weight revealed that snakes and frogs are more closely related to humans in this regard than people are to apes and monkeys. Does this mean certain evolutionists would conclude humans are closer ancestors to snakes than baboons?
The Black Death was a catastrophic epidemic of bubonic plague that ravaged Europe and Asia during the Dark Ages. The outbreak arrived in Europe in October 1347, when 12 ships from the Black Sea docked at the Sicilian port of Messina. People congregating on the docks were encountered with a shocking surprise. Most of the mariners onboard the ships were deceased, and those still alive were seriously ill and covered in black boils that oozed blood and pus. Sicilian authorities quickly ordered the fleet of ships out of the harbor. Still, it was too late: Over the next five years, the Black Death killed over 20 million people in Europe, almost one-third of the continent’s population.
We now know the bacteria traveled through the bite of infected fleas and rats. Both pests could be found virtually everywhere in medieval Europe, but they were especially prevalent aboard ships of all varieties. This is how the deadly plague passed quickly from one European port city to another.
Norway rats are also identified as brown rats and are discovered on every continent except for Antarctica. Rats are foragers that can survive on a vast assortment of foods, which has helped them spread so successfully across the world. One study of a rat's stomach contents revealed over 4,000 different items. They prefer living anywhere humans occupy because of the benefits available of more accessible food sources.
But humans also profit from these rodents. Rats contribute to advances in genetics, cognitive research, physiology, epidemiology, and pathology. Their physiology allows for scientific experiments that ultimately help humans. The plague still strikes about three thousand people annually. It is interesting to note that this disease only attacks people and Norway rats. Does this reality prove that humans descended from Norway rats? Some evolutionists certainly believe this citing the common ancestry argument.
Examples of this sort are abundant, but does this prove evolution? Humans and innumerable animals have livers, lungs, hearts, intestines, etc., but this hardly qualifies as an explanation for naturalism. Christians contend that such similarities result from a common creator, not a common ancestor. Until Darwinists provide an actual species evolving from one type of being into another, creationism remains the most logical conclusion.