A very important aspect of science is knowing how to interpret the results you get from an experiment. What does the data tell you? How much can you conclude from an experiment? Below is one of the experiments performed to determine if nanobacteria are alive. For this experiment, select the properties of Life that apply. There are 3. Experiment: Ability to be transferred to a new culture and isolation from kidney stones Group of answer choices respond to the environment evolutionary adaptation order reproduction regulation growth and development energy transfer
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The experiment focuses on the ability of nanobacteria to be transferred to a new culture and their isolation from kidney stones. Show more…
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You are part of a team of scientists who has landed on Mars and discovered what appears to be life. These organisms are considered to be alive because they are able to reproduce and multiply with the newly formed organisms looking like the previous organisms. They have a short life span of only 25 days. Your role on the team is to understand how these organisms pass their features on to their progeny. Using the scientific approach discussed in the lectures, which involves observation and hypothesis forming and testing, outline a series of questions and tests (experiments) that you would do to establish the rules that govern the transfer of phenotype from one generation of organisms to the next. Discuss what you expect to find from your studies and the interpretation of these findings Describe the results of your research to a reporter on earth who will discuss your findings on a national news outlet that is read by people who are not scientists
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The Rubric at the bottom of this page shows exactly how I will grade your work. Please use the rubric to guide your completion of the assignment. Imagine you are an exploratory astronaut looking for life throughout the universe. One day you encounter a planet that has no carbon present on its surface. However, your instruments register movement and a variety of other signs that make you think life exists on the surface. • Your research is deemed strong enough to justify a trip to the surface. Once there, you are authorized to collect a simple "organism" for experimental use. Collect your specimen(s) and then design a full experiment that will test one characteristic that defines biological life on Earth. Be sure to include all the relevant parts of an experiment and describe how you would analyze and present the data, results and conclusions. Here are a few hints on completing this assignment: Choose one of the defining characteristics of life (see Lumen textbook on d2l) and design an experiment to test it in your alien lifeform. Be sure that your design includes all the following points. • Hypothesis • Dependent and independent variables • Control and experimental groups • Standardized variables • The specific type of data you would collect • How you would analyze and present these data • What pieces of data/evidence you would need to support your hypothesis. Alternatively, what evidence would disprove your hypothesis? Remember to keep things simple and observable.
Supreeta N.
What is a change in an organism that allows it to survive in its environment? a. homologous b. vestigial c. variation d. adaptation 2. Which of the following was probably not present in the atmosphere of the primitive Earth? a. methane b. water c. oxygen d. carbon dioxide 3. Based upon the conditions of the early Earth, which forms of live most likely appeared first? a. prokaryotic and aerobic b. eukaryotic and aerobic c. prokaryotic and anaerobic d. eukaryotic and anaerobic 4. Which of these was NOT in the atmosphere during the Precambrian Time? a. methane b. oxygen c. carbon dioxide d. nitrogen 5. What type of molecules were Miller & Urey able to produce through their experiments? a. inorganic b. ATP c. amino acids d. DNA 6. Which of the following is NOT a characteristic of all living things? a. growth and development b. response to the environment c. ability to move d. ability to reproduce 7. Which division on the geologic time scale is the shortest? a. epoch b. eon c. era d. period 8. Which era was the age of the Dinosaurs? a. Precambrian b. Paleozoic c. Mesozoic d. Cenozoic 9. Which of the following terms identifies a species that has disappeared from Earth? a. endangered b. extinct c. limited d. threatened 10. What gas was necessary for complex (eukaryotic) life to evolve? a. carbon dioxide b. dihydrogen monoxide c. oxygen d. methane 11. Which concept refers to life arising from non-living molecules? a. organic evolution b. chemosynthesis c. chemical evolution d. photosynthesis 12. Which of the following choices is the collection of life's remains found in sedimentary rock? a. natural selection b. Charles Darwin c. homologous structure d. fossil record 13. Which evidence show patterns of change in organisms from early life to modern life? a. homologous structures b. vestigial structures c. transitional fossils d. protein 14. Which type of rock were fossils most commonly preserved? a. metamorphic rock b. sedimentary rock c. igneous rock d. any type of rock 15. Which of the following is an example of a vestigial structure? a. the wings of a red-tailed hawk b. The fins of shark c. the hind limbs of a house rat d. the tail bone of a human 16. What of the following choices is an example of a vestigial structure in a human? a. liver b. small intestine c. ear drum d. appendix 17. What kind of populations does genetic drift affect the most? a. large populations b. marine populations c. small populations d. bleu populations 18. Which organisms are most likely to survive? a. the best adapted b. the strongest c. the fastest d. the most domesticated 19. What do we call change over time? a. evolution b. natural variation c. natural selection d. speciation 20. How many billions of years old is the universe? a. 4.6 billion b. 14 billion c. 4.6 million d. 14 million 21. What is the most critical thing for the development of life on Earth? a. oxygen b. time c. carbon dioxide d. land 22. Which property of water accounts for the others? a. adhesion b. high specific heat c. cohesion d. polarity 23. Which of the following choices was Stanley Miller able to produce in his 1953 experiment? a. prokaryotes b. lipids c. amino acids d. proteins 24. Which molecule is currently responsible for lowering the activation energy of most biochemical reactions? a. DNA b. ATP c. RNA d. proteins 25. What is meant by the term "evolution"? a. change over time b. mutation c. increasing complexity d. increasing in numbers
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