An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
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Chapter 24, Problem 3FIB
To determine
To fill in the blank: The earliest evidence of ancient life.
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Chapter 24 Solutions
An Introduction to Physical Science
Ch. 24.1 - Are dinosaur footprints fossils?Ch. 24.1 - Prob. 2PQCh. 24.2 - Prob. 1PQCh. 24.2 - Prob. 2PQCh. 24.2 - Prob. 24.1CECh. 24.2 - Prob. 24.2CECh. 24.3 - Prob. 1PQCh. 24.3 - Prob. 2PQCh. 24.3 - Prob. 24.3CECh. 24.4 - Prob. 1PQ
Ch. 24.4 - Prob. 2PQCh. 24.5 - Prob. 1PQCh. 24.5 - Prob. 2PQCh. 24.5 - Prob. 24.4CECh. 24 - KEY TERMS 1. geologic time (Intro) 2. fossil...Ch. 24 - KEY TERMS 1. geologic time (Intro) 2. fossil...Ch. 24 - Prob. CMCh. 24 - Prob. DMCh. 24 - Prob. EMCh. 24 - Prob. FMCh. 24 - Prob. GMCh. 24 - Prob. HMCh. 24 - Prob. IMCh. 24 - Prob. JMCh. 24 - Prob. KMCh. 24 - Prob. LMCh. 24 - Prob. MMCh. 24 - Prob. NMCh. 24 - Prob. OMCh. 24 - Prob. PMCh. 24 - Prob. QMCh. 24 - Prob. RMCh. 24 - Prob. SMCh. 24 - Prob. TMCh. 24 - Prob. UMCh. 24 - Prob. VMCh. 24 - Prob. WMCh. 24 - Prob. XMCh. 24 - Prob. ZMCh. 24 - Prob. 1MCCh. 24 - Prob. 2MCCh. 24 - Prob. 3MCCh. 24 - What is the name for the type of fossil formed...Ch. 24 - Prob. 5MCCh. 24 - What is obtained when rocks and geologic events...Ch. 24 - Prob. 7MCCh. 24 - Prob. 8MCCh. 24 - Prob. 9MCCh. 24 - Prob. 10MCCh. 24 - If the half-life of a radioactive specimen is 100...Ch. 24 - Prob. 12MCCh. 24 - Prob. 13MCCh. 24 - Prob. 14MCCh. 24 - Prob. 15MCCh. 24 - Prob. 16MCCh. 24 - Prob. 17MCCh. 24 - Prob. 18MCCh. 24 - Prob. 19MCCh. 24 - Prob. 20MCCh. 24 - Prob. 1FIBCh. 24 - Prob. 2FIBCh. 24 - Prob. 3FIBCh. 24 - Prob. 4FIBCh. 24 - Prob. 5FIBCh. 24 - Prob. 6FIBCh. 24 - Prob. 7FIBCh. 24 - Prob. 8FIBCh. 24 - Prob. 9FIBCh. 24 - Prob. 10FIBCh. 24 - Prob. 11FIBCh. 24 - Prob. 12FIBCh. 24 - Prob. 13FIBCh. 24 - Prob. 14FIBCh. 24 - Prob. 15FIBCh. 24 - Prob. 16FIBCh. 24 - Prob. 17FIBCh. 24 - Prob. 18FIBCh. 24 - Prob. 19FIBCh. 24 - Prob. 20FIBCh. 24 - What is meant by the phrase geologic time?Ch. 24 - Why are so few fossils of worms found?Ch. 24 - Prob. 3SACh. 24 - Prob. 4SACh. 24 - Prob. 5SACh. 24 - Prob. 6SACh. 24 - Prob. 7SACh. 24 - Prob. 8SACh. 24 - How do fossils aid in oil exploration?Ch. 24 - Prob. 10SACh. 24 - How might the principle of superposition be...Ch. 24 - Prob. 12SACh. 24 - Prob. 13SACh. 24 - Prob. 14SACh. 24 - Prob. 15SACh. 24 - Prob. 16SACh. 24 - What four features characterize the best index...Ch. 24 - Prob. 18SACh. 24 - Prob. 19SACh. 24 - Prob. 20SACh. 24 - Prob. 21SACh. 24 - Prob. 22SACh. 24 - Prob. 23SACh. 24 - Prob. 24SACh. 24 - Prob. 25SACh. 24 - Prob. 26SACh. 24 - Carbon-14 dating measures the ratio of carbon-14...Ch. 24 - What are the three conditions for using an isotope...Ch. 24 - Distinguish between primordial lead and radiogenic...Ch. 24 - Prob. 30SACh. 24 - Prob. 31SACh. 24 - Prob. 32SACh. 24 - Prob. 33SACh. 24 - Prob. 34SACh. 24 - Prob. 35SACh. 24 - Prob. 36SACh. 24 - Prob. 37SACh. 24 - Prob. 38SACh. 24 - What biologic event is used by geologists to...Ch. 24 - What is the biological event that started the...Ch. 24 - Prob. 41SACh. 24 - Prob. 42SACh. 24 - Prob. 43SACh. 24 - In what period and era were the great coal-forming...Ch. 24 - About how many days on the geologic time calendar...Ch. 24 - Prob. 1VCCh. 24 - What are the strengths and weaknesses of the...Ch. 24 - Prob. 2AYKCh. 24 - Prob. 3AYKCh. 24 - Prob. 4AYKCh. 24 - Prob. 5AYKCh. 24 - Prob. 1ECh. 24 - Prob. 2ECh. 24 - Figure 24.21 Relative Dating See Exercises 3 and...Ch. 24 - Figure 24.21 Relative Dating See Exercises 3 and...Ch. 24 - Metamorphic rock shows that only 25% of its...Ch. 24 - Prob. 6ECh. 24 - Prob. 7ECh. 24 - Suppose that one species of index fossil lived...
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- KEY TERMS 1. geologic time (Intro) 2. fossil (24.1) 3. paleontology 4. amber 5. replacement fossil 6. mold 7. cast 8. trace fossil 9. relative geologic time (24.2) 10. principle of original horizontality 11. principle of superposition 12. principle of cross-cutting relationships 13. unconformities 14. correlation 15. index fossils 16. eons 17. eras 18. periods 19. absolute (numerical) geologic time (24.3) 20. radiometric dating 21. carbon-14 dating 22. geologic time scale (24.5) 23. Cambrian explosion 24. Great Dying 25. epochs 26. K-T event For each of the following items, fill in the number of the appropriate Key Term from the preceding list. b. _____ The most devastating extinction that has ever occurredarrow_forwardKEY TERMS 1. geologic time (Intro) 2. fossil (24.1) 3. paleontology 4. amber 5. replacement fossil 6. mold 7. cast 8. trace fossil 9. relative geologic time (24.2) 10. principle of original horizontality 11. principle of superposition 12. principle of cross-cutting relationships 13. unconformities 14. correlation 15. index fossils 16. eons 17. eras 18. periods 19. absolute (numerical) geologic time (24.3) 20. radiometric dating 21. carbon-14 dating 22. geologic time scale (24.5) 23. Cambrian explosion 24. Great Dying 25. epochs 26. K-T event For each of the following items, fill in the number of the appropriate Key Term from the preceding list. a. _____ Widespread, easily identified fossils that are typical of a particular time segment of the Earths historyarrow_forwardIf the half-life of a radioactive specimen is 100 years, then how long will it take for the specimen to reach 25% of its original amount? (24.3) (a) 25 years (b) 50 years (c) 100 years (d) 200 yearsarrow_forward
- Why are so few fossils of worms found?arrow_forwardCan you please answer these questions, not gradedarrow_forwardHow Do We know? The evidence is overwhelming in support of the idea that the Grand Canyon was dug over a span of millions of years by the erosive power of the Colorado River and its tributary streams. Is that a catastrophic theory or an evolutionary theory?arrow_forward
- What evidence do scientists have that life on Earth began in the sea?arrow_forwardA fossilized leaf contains 70% Of its normal amount of carbon- 14. How old is the fossil? Use 5730 yesrs as the half-life of carbon- 14.arrow_forwardUsing the differential equation model: (dN/dt) = -kN. (k>0) where N(t) = amount of 14C at time t, approximately how old is a fossil with 17 g of 14C if it initially possessed 45 g of ¹4c? (Note: assume half life of 14C to be 5700 years) Choose All Correct Answers Below (A) 7650 years B) 8005 years C) 5792 years D 9430 years 1012 years 9622 yearsarrow_forward
- a parent isotope has a half-life of 500,000 years. if a rock contained 10mg of the parent isotope when it formed, how much parent isotope would be left after 1.5 million years?arrow_forwardA fossil is found to have a 14Clevel of 63.0% compared to living organisms. How old is the fossil?arrow_forwardSOME ISOTOPES USED FOR RADIOMETRIC DATING Daughter Isotope (D) Half-Lives (T½) Useful Dating Range Parent Isotope (P) Materials Dated Newly formed crystal Uranium-238 4.5 billion years Zircon 713 million years Zircon Lead-206 ages > 10 m.y. 100 Uranium-235 Lead-207 ages > 10 m.y. 0000000o o00000 15.9% decayed to daughter Potassium-40 Argon-40 Biotite, muscovite, whole volcanic rock 1.3 billion years ages > 50,000 yr Shells, limestone, organic materials ages 100-60,000 yr Carbon-14 Nitrogen-14 5730 years 84.1 29.3% decayed 70.7 Parent Atoms (P) 000000000e 50% decayed RADIOACTIVE DECAY 50.0 Daughter Atoms (D) 25.0 75% decayed 87.5% decayed 12.5 93.8% decayed 96.9% decayed 6.2 3.1 14 2 3 4 5 6 Half-Lives (T1) Elapsed DECAY PARAMETERS FOR ALL RADIOACTIVE DECAY PAIRS Percent of Parent Atoms (P) Percent of Daughter Atoms (D) Half-Lives Elapsed Age 0.000 x T 0.015 x T 0.031 x Ty 0.062 x Ty 0.125 x T 0.250 x T 0.500 x T2 1.000 x Ty2 100.0 0.0 98.9 1.1 1/64 97.9 2.1 1/32 95.8 4.2 1/16 91.7 8.3…arrow_forward
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