The first hypothesis of the creation of earth was developed by Soviet scientist Alexander Oparin and British scientist J.B.S. ... They thought that the first living compounds were heterotrophs. These heterotrophs took in organic compounds as food and kept multiplying. ... Then the heterotrophs took in the autotrophs as an energy source. ... The autotroph used the carbon dioxide and turned it to oxygen for the heterotrophs to use. ...

• Word Count: 863
• Approx Pages: 3
• Grade Level: High School

According to many texts, before a scientist develops a hypothesis about anything, that individual notices something that sparks his or her imagination. 2. ... Hypothesis. ... Your hypothesis is your educated guess about the answer to the question that occurred to you as you made your observation. ... This means that you reject or you do not reject the hypothesis. Regardless of the conclusion reached, additional investigations may be performed to gather more evidence regarding the hypothesis. ...

• Word Count: 10700
• Approx Pages: 43
• Grade Level: High School