Read Ch. 9, section 9.1, How Did Life Originate?
Reasearch a theory about the origin of life on Earth other than the one summarized under Piecing it Together on p. 247 of the text.
Use the following key words and Web sites to assist you with your search:
Origin of life, Panspermia Theory, Hydrothermal vent and origin of life, Prebiotic word,
Post a 300-to 400-word response to the following: Describe and evaluate both the origin of life theory summarized in Piecing it Together on p. 247 and the other theory you researched at the beginning of this CheckPoint. Be skeptical when reviewing the theories.
Ask the following questions about each theory: Where is the evidence to support this claim? Is there any data on which to base their claim?
I need help coming up with a theory to write this assignment. Please help me with this.
Have you used those keywords in searching for other theories? What did you find?
Choose one of these theories. Then answer the questions about the theory you chose and the one on p. 247.
Read Ch. 9, section 9.1, How Did Life Originate?
Reasearch a theory about the origin of life on Earth other than the one summarized under Piecing it Together on p. 247 of the text.
Use the following key words and Web sites to assist you with your search:
Origin of life, Panspermia Theory, Hydrothermal vent and origin of life, Prebiotic word,
Post a 300-to 400-word response to the following: Describe and evaluate both the origin of life theory summarized in Piecing it Together on p. 247 and the other theory you researched at the beginning of this CheckPoint. Be skeptical when reviewing the theories.
Ask the following questions about each theory: Where is the evidence to support this claim? Is there any data on which to base their claim?
I need help coming up with a theory to write this assignment. Please help me with this.
Biology 100 - Ms. Sue, Thursday, December 17, 2009 at 10:07pm
Have you used those keywords in searching for other theories? What did you find?
Choose one of these theories. Then answer the questions about the theory you chose and the one on p. 247.
Answer this Question
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love
the origin of life is unknown because their was no one around to tell it.
When it comes to theories about the origin of life on Earth, there are various hypotheses. One theory that is summarized in your textbook is the idea that life originated from simple organic molecules that formed in the Earth's early atmosphere and eventually combined to form self-replicating molecules, leading to the development of the first living organisms. This theory is commonly known as the "primordial soup" theory.
To evaluate this theory, you should consider the evidence and data that supports it. Researchers have conducted experiments to recreate conditions similar to those on Earth billions of years ago, and they have observed the formation of simple organic molecules such as amino acids, which are the building blocks of proteins. Additionally, studies have shown that some of these molecules could self-assemble and form small, self-replicating systems in the laboratory.
However, it is important to be skeptical and ask critical questions. For example, although the formation of simple organic molecules has been demonstrated in laboratory experiments, it is still unclear how these molecules could have accumulated and concentrated in sufficient quantities to kickstart the development of life. Additionally, the precise steps and mechanisms by which self-replicating molecules evolved into complex organisms are still not fully understood.
Now, let's consider an alternative theory you can research: the Panspermia Theory. According to this hypothesis, life on Earth may have originated from microorganisms or their genetic material that traveled through space from other celestial bodies, such as comets or meteorites. These microorganisms could have survived the journey through the harsh conditions of space and then seeded Earth to initiate life.
To evaluate the Panspermia Theory, you should look for evidence and data supporting this claim. Studies have shown that some microorganisms, known as extremophiles, can survive in extreme environments on Earth, suggesting the possibility of survival in space. Additionally, there have been reported instances of microorganisms surviving the journey on space probes that accidentally crash-landed on other celestial bodies.
However, it is important to remain skeptical and ask critical questions about the Panspermia Theory as well. For instance, although it is theoretically possible for microorganisms to survive the journey through space, it is still unclear how they would have originated on other celestial bodies in the first place. Furthermore, the probability of a microorganism successfully landing on Earth and being able to thrive and evolve into complex life forms remains uncertain.
To sum up, when evaluating the theories about the origin of life, it is crucial to examine the evidence and data supporting each claim. Both the primordial soup theory and the Panspermia Theory have their strengths and weaknesses, and it's important to critically analyze the available information and remain open to new discoveries and possibilities.