PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.

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Beginning in 35 seconds.

The teleology and historical contingency of biology make it unique among the sciences. Both of these features stem from perhaps biology ’ s only general guiding principle : evolution. It depends on chance and randomness, but natural selection gives it the appearance of intention and purpose. Animals are drawn to water not by some magnetic attraction, but because of their instinct to survive.

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