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Figure 2 - Hypothesized reconstruction of the Trichomonas-like infection of a Tyrannosaurus rex. Parasites have plagued vertebrates for a very, very long time. They have co-evolved with us and our evolutionary ancestors over many millions of years.

The Hygiene Hypothesis, Part 3. Are Parasitic Worms Friend or Foe?

... . The question we're now looking at is: why? 'Why' questions in biology require evolutionary explanations; it is ... the history of how species' evolved through time, and what mechanisms drove their evolutionary change. The ... smorgasbord of infectious organisms such as helminths. What effect could this have had on ours and the parasite's ...

Bombardier Beetle, Brachininae sp., Orange County, North Carolina, United States. Length 13 mm.

Creationism vs. Science

... scientific approach... But how did it come to this and what happened to trying to settle our differences? While the ... is that expecting a theological text to answer scientific questions is no smarter than expecting a scientist to offer ... text says man was made out of mud," they say, "then that's what it means, right or wrong." The crux of the matter is ...