... sun homeostasis refers to the ability to maintain a constant internal environment cells in domains archaea and eubacteria lack nucleii plants are multicellular producers an educated guess might be called a hypothesis science is based on evidence philosophy is not a step in the scientific method an atom is the smallest unit of substance that retains the properties of the substance electrons ... may differ, I prefer to think of the method as following these six steps:   1. Observation. To me, observation means looking at things. According to many texts, before a scientist develops a hypo...

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

... molecules, biological molecules, proto cells, and advanced metabolism (BSCS). In the 1920's, two men named Alexander Oparin and J.B.S. Haldine independently developed the first extensive hypothesis about how life may have originated (BSCS). Developing an idea called the Heterotroph Hypothesis, they assumed that life processes developed very gradually (BSCS). The first organisms were heterotrophs, while Autotrophs evolved later, and photosynthesis resulted in the oxygen ... ...

• Word Count: 1496
• Approx Pages: 6
• Grade Level: High School

... absolutely hundreds of different theories provide by scientists some based on religion, some based on pure evolution that we evolved from apes. No one knows for 100% sure. The first hypothesis of the creation of earth was developed by Soviet scientist Alexander Oparin and British scientist J.B.S. Haldane in the 1920s. They said that the atmosphere was made up of methane, ammonia ... , hydrogen, and water vapor. According to their hypothesis, energy such as radiation, cosmic rays, lighting, and heat from volcanic eruptions, reacted with the atmosphere to make the first organic compounds. ...

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