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Category:	Science
Word Count:	303
Featured Papers from Direct Essays 1. Darwin The Origin of Species 2. Discipline Responses Influences of Parentsamp39 Socioeconomic Status ...

	Observing and hypothesizing
	I. Observing and Hypothesizing a. Scientists solve problems by asking questions. i. The common steps that biologists and other scientists use to gather info and answer questions are scientific methods. ii. Example: Brown tree snakes accidentally introduced into Guam in the 1940s. Scientists noticed lack of bird song and hypothesized that the snakes were responsible for reduced native bird population. iii. They rely on observations: not random guesses! 1. personal observations 2. extensive

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Observing and hypothesizing