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Originally Posted by Eddie_T
I wonder how the naked gene ever found a mechanism that resulted in a tarantula Wasp stalking its prey in which to lay its egg. Where did it lay its egg prior to this?
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You just made the presumption that the tarantula wasp existed separate and apart from the tarantula. If it is true that the wasp cannot exist without the tarantula, then evolutionary theory tells us that this wasp developed this dependency after tarantulas came into existence. So, assuming that there is no substitute to tarantulas for a tarantula wasp to reproduce (Which seems a rather poor assumption, in my opinion), the answer to your question is "It didn't lay its eggs prior to this, because it didn't yet exist" The progenitors of the tarantula wasp may have been able to reproduce without the need for a tarantula. Natural selection may have favored the tarantula-method of reproduction to the exclusion of all other methods.
These are hypotheses. They could be tested through various methods, such as keeping the wasps isolated from tarantulas, instead exposing them to other creatures that exist(ed) in their environment.
Evolutionary theory answers the age old question: which came first, the chicken or the egg? The answer is unequivocally the egg. The first chicken egg was laid by a proto-chicken, something that was one generation of mutations away from "chicken".
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Why did its offspring follow the same pattern? Whatever instilled the desire to do so?
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Perhaps most of them didn't, and simply died off without reproducing. Perhaps some tried to use other small desert creatures, but those that chose tarantulas were somehow better off.
Every time I used the word "perhaps", I described a testable hypothesis.
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The cicada wasps are also amazing, but don't they prey on dog-days cicadas rather than 17 year cicadas? These examples better fit creationist predictions for intelligent design.
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Why shouldn't cicadas naturally evolve a 17-year life span?