Variation Over Time: The Connections Between Different Species

There are connections between different species. Scientists of our day have spent a great deal of time categorizing species into a variety of sub-species, genera, orders, classes, and kingdoms. There must be similarities that scientists have agreed upon if they have decided that they would group them. We places species of similar body or bone structures near each other in their organization. These are perceived connections, regardless of our perspective on the origination of these species. The difference between varieties within a species and species themselves are similar. While different pigeons may have different beak structures and colors, they are still considered to be the same species. While there is a larger difference, the same
This variation over time must happen in order for these species to survive when there is “survival of the fittest”. What Darwin noticed and documented on his journeys was the fossil record in countries where specific animals only exist. In the Canary Islands at St. Jago, Darwin found fossilized invertebrates in the rocks on the beach. This same beach was full of this same species of invertebrate, a modern version. Off of the coast of Argentina, Darwin found the outer shell of an extinct form of armadillo. Armadillos currently litter that area. He also has found the bones of extinct giant ground sloths. You cannot find a sloth at any other place in the world. What does this point to? The fact that there was evidence of an extinct version of the same species of an animal that could not have come from anywhere else points to the fact that the animals in those regions must have changed over time. One species replaces another over a geographic region. If a species is able to replace another, that would point to the fact that there is evidence for a struggle for existence and that only those best equipped for that geographic region would be able to survive. “Survival of the fittest” would be accurate. Darwin found that the common rhea found in northern Argentina was replaced south of the Rio Negro by a smaller, browner species. Varieties of a species can also display geographic
It is interesting to note that embryos of very different species look very similar. Despite the fact that they end up developing into very different things, the beginnings of life look the same. This fact points to them having a common ancestor. If God created each of the animals separately, why would all of the embryos look the same? While natural selection advocates should not be telling God how to operate, the same should go for natural theologians who want to place God in a box and not provide him an opportunity to operate outside of their understanding. Some species have organs that they don’t use anymore. If each species was created individually, it would seem that they should not have organs that they do not utilize. Rather, these rudimentary organs have been passed on by their ancestors who had a use for them. Most features of a species are going to either help them better survive or become an impediment to their survival. However, these rudimentary organs are neutral in their effect on survival. This fact would cause those organs to continue to exist, regardless of the fact that they are no longer used.
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