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Life in the Universe Lesson Plans Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Miller and Urey used all of the following substances to simulate Earth's early atmosphere EXCEPT _____.

Question 2 2. SETI stands for:

Question 3 3. A new mutation allows a cheetah to run faster and hunt down more prey than its slower counterparts. This mutation increased the _____ of the cheetah.

Question 4 4. This is a region around a star where a planet having the same approximate size and atmospheric composition as Earth would have a surface temperature that allows for water to exist:

Question 5 5. A scientist has observed animals in a particular habitat for some time. She notices that in a population of birds those with either short or long beaks can find more food than those with average sized beaks. Over time, she notices a higher proportion of birds in the population have either short or long beaks. She is observing:

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Question 6 6. Small, non-living droplets that can regulate their internal environments are best known as _____

Question 7 7. Which of the following is NOT a principle of Darwin's theory of evolution?

Question 8 8. James needs to write a report which will describe the ups and downs of mammals in a previous time period. Why would discussing epochs make sense?

Question 9 9. On Earth, life is said to be ___based life:

Question 10 10. What 'kind' of life is thought to possibly exist in our solar system in places other than Earth?

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Question 11 11. What type of event separates the Paleozoic, Mesozoic, and Cenozoic eras from one another in the Phanerozoic eon?

Question 12 12. The solar system, moon, and Earth all appear around when on our cosmic calendar?

Question 13 13. Saturn, Jupiter, Neptune, and Uranus are the:

Question 14 14. This is a space mission where a spacecraft passes by a celestial object but isn't held in orbit by it:

Question 15 15. This is a window in the radio spectrum, with low background interference, which lies between the 21 cm line of neutral hydrogen (H) and the 18 cm line of OH, and is used in the search for communicative ET civilizations:

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Question 16 16. Life involves:

Question 17 17. RNA stands for:

Question 18 18. Organisms that can live in extreme environments are called:

Question 19 19. On our cosmic calendar, the big bang occurs around when?

Question 20 20. This is one of Jupiter's moons, which may sustain life:

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Question 21 21. The search for ET depends mainly on:

Question 22 22. What is the most basic definition of life?

Question 23 23. How does an eon differ from an era?

Question 24 24. Some studies have shown that a single copy of the cystic fibrosis disease allele can confer resistance to tuberculosis to a person. This is an example of:

Question 25 25. What method is used to determine the specific age of a rock or fossil?

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Question 26 26. The Archean and Proterozoic eons are grouped together as the:

Question 27 27. The way in which life adjusts over time to external (environmental) changes is called:

Question 28 28. Which answer choice correctly orders the three major eons of Earth's history, from the oldest to the most recent?

Question 29 29. This is an equation that estimate the number of communicative civilizations in the Milky Way Galaxy:

Question 30 30.

Which of the following is an example of analogous structures or traits?

I. Leg bones of a human and leg bones of a penguin

II. Wing of a penguin and wing of a mosquito

III. Beak of a penguin and beak of a duck

Life in the Universe Lesson Plans Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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