Coevolution And Evolutionary Responses At First Thought

2041 WordsApr 10, 20159 Pages
Coevolution and Evolutionary Responses At first thought, it might seem as if everything is involved in coevolution. This assumption might be drawn due to the fact that basically every organism interacts with another organism and possibly influences their evolution in some way. However, this assumption depends entirely on one’s definition of coevolution. There are many other forms of evolutionary responses other than coevolution including: evolutionary relationships between antagonists, evolutionary equilibrium, genetic variation in competitive ability, and character displacement, all which will be discussed later on. In fact, all of these evolutionary responses revolve around the idea that interacting populations tend to evolve in response to features which affect evolutionary strength. First, species evolve in ways that improve, or at least maintain, their ability to live. Communities, however, do not undergo the same process. No community evolves as a unit. Species may evolve in ways that are mostly influenced by ecology. This means that species evolve by their relationship with one or a few species, which in turn allows the others to evolve as well. Coevolution is commonly described as a change in the genetic composition of one species, or group, in response to a genetic change in another and was coined by Ehrlich and Raven after observing plant-herbivore interactions. Around the same time, Charles Darwin published The Origin of Species, which also spoke of the

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