Today, evidence for evolution comes from a few different angles. One is paleontology, which shows that gradual change in organisms can be seen in a fossil record. Paleontology is used to follow macroevolution, or large evolutionary trends. This is a key study of evolution because the discoveries of these fossils showed forms of animals that hadn't been seen before, and this began to cast serious doubt upon creationist theories. Also, it can be said that fossils provide the only direct evidence to the history of evolution.

Using these studies of the patterns of evolution, it has been found that some species evolve in relation to each other in other ways. Species that live in a close relationship with each other, like many predator and prey, often evolve adaptations to each other in a process called co-evolution. In predator-prey relationships, this evolution can escalate into rapid changes in offense and defense, known as a co-evolutionary arms race.

Basically, the origin of life is still evolving in itself. There are many views of how life actually began, how it grew, and how it will end, and each theory has much merit. With the growth of scientific technology, these theories will advance.

f study, biogeography, shows how the species might have spread to new habitats. Comparative anatomy, a technique that has been used since the very beginning of the study of evolution, allows for the comparison of dissimilar organisms to see whether they share a common ancestor. The most recent study, molecul

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