CONCEPTUAL INTEGRATED SCIENCE (PEARSON+
3rd Edition
ISBN: 2818440059223
Author: Hewitt
Publisher: PEARSON+
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Chapter 17, Problem 77TE
Why is speciation often associated with the introduction of a geographic barrier?
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1. A coil of copper wire (p = 10.37 2-cmil/ft) has a length of 600 ft. What is the length of an aluminum conductor
(p 17 cmil/ft), if its cross-sectional area and resistance are the same as those of the copper coil? (Hint: Look
for conversion of inches to mils and square inches to square foot. Include it in your solution.) (1 pt)
2. The copper field winding of an electric machine has a resistance of 46 at temperature of 22°C. What will be
its resistance at 75°C? (Use do = 0.00427 /°C for copper) (1 pt)
3. The resistivity of a copper rod 50 ft long and 0.25 inch in diameter is 1.76 μ at 20°C. What is its resistance at -
20°C? (1 pt)
4. When two resistors A and B are connected in series, the total resistance is 36 2. When connected in parallel, the
total resistance is 8 Q. What is the ratio of the resistance RA to resistance RB? Assume RA < RB. (1 pt)
5. The…
2. Two equally strong individuals, wearing
exactly the same shoes decide to do a tug of
war. The only difference is individual A is
2.5 meters tall and individual B is 1.5 meter
tall. Who is more likely to win the tug of
war?
6. A car drives at steady speed around a perfectly
circular track.
(a) The car's acceleration is zero.
(b) The net force on the car is zero.
(c) Both the acceleration and net force on the car
point outward.
(d) Both the acceleration and net force on the car
point inward.
(e) If there is no friction, the acceleration is
outward.
Chapter 17 Solutions
CONCEPTUAL INTEGRATED SCIENCE (PEARSON+
Ch. 17 - What was Lamarcks theory about how evolutionary...Ch. 17 - What impressed Darwin about the finches on the...Ch. 17 - How did the work of Thomas Malthus influence...Ch. 17 - How did Charles Lyells work influence Darwin?Ch. 17 - What is an inherited trait?Ch. 17 - What is genetic variation?Ch. 17 - Describe how natural selection occurs?Ch. 17 - From the point of view of natural selection, why...Ch. 17 - Define sexual selection and provide some examples...Ch. 17 - Prob. 10RCC
Ch. 17 - Does natural selection act on genotype or...Ch. 17 - Prob. 12RCCCh. 17 - Prob. 13RCCCh. 17 - Why are genetic mutations and sexual reproduction...Ch. 17 - What is a species?Ch. 17 - Prob. 16RCCCh. 17 - Explain the difference between allopatric...Ch. 17 - What is an adaptive radiation?Ch. 17 - Prob. 19RCCCh. 17 - Why does the similarity of the mammalian limb in...Ch. 17 - How does biogeography provide evidence for...Ch. 17 - What important feature of modern humans can...Ch. 17 - What was the first species of hominid to leave...Ch. 17 - How old is our species, the modern humans known as...Ch. 17 - What experiment did Miller and Urey perform? What...Ch. 17 - What are three hypotheses for how Earths organic...Ch. 17 - Prob. 27TISCh. 17 - Why is RNA, rather than DNA, believed to be the...Ch. 17 - Why do scientists think life on Mars is more...Ch. 17 - Why are scientists interested in searching for...Ch. 17 - Is there evidence that Mars once had water?Ch. 17 - Is there evidence that Mars currently has water?Ch. 17 - Do scientists know whether there is life on Mars?Ch. 17 - Prob. 34TISCh. 17 - Prob. 35TISCh. 17 - Prob. 36TISCh. 17 - How do fossils provide evidence for evolution?Ch. 17 - Prob. 38TISCh. 17 - What does the fossil Archaeopteryx tell us about...Ch. 17 - Prob. 43TCCh. 17 - Prob. 44TCCh. 17 - Prob. 45TSCh. 17 - Lets consider a very small population of...Ch. 17 - Now lets assume that the two snapdragons in out...Ch. 17 - Why do scientists consider Miller and Ureys...Ch. 17 - What role might environments similar to...Ch. 17 - Prob. 50TECh. 17 - Explain why the earliest life on Earth may have...Ch. 17 - Of the planets in the Solar System other than...Ch. 17 - What features of Venus would make it difficult for...Ch. 17 - What features of Mars would make it difficult for...Ch. 17 - How much evidence is there that Mars currently...Ch. 17 - Prob. 56TECh. 17 - Prob. 57TECh. 17 - Horned lizards defend themselves with spiky horns...Ch. 17 - Why are some human traits that do not show genetic...Ch. 17 - Prob. 60TECh. 17 - Prob. 61TECh. 17 - Prob. 62TECh. 17 - What does it mean to say that on one rabbit has...Ch. 17 - In recent decades, average human height has...Ch. 17 - Prob. 65TECh. 17 - Prob. 66TECh. 17 - Prob. 67TECh. 17 - Prob. 68TECh. 17 - Not all brightly colored animals are trying to...Ch. 17 - Prob. 71TECh. 17 - Prob. 72TECh. 17 - Prob. 73TECh. 17 - Can chance cause a population to evolve?Ch. 17 - Prob. 75TECh. 17 - Prob. 76TECh. 17 - Why is speciation often associated with the...Ch. 17 - Prob. 78TECh. 17 - Prob. 79TECh. 17 - Prob. 80TECh. 17 - What are some examples of artificial selection?...Ch. 17 - Many dogs have a dew- claw, a toenail located on...Ch. 17 - How do the bones of the human hand provide...Ch. 17 - Prob. 84TECh. 17 - Prob. 85TECh. 17 - Why do fossil whales have legs?Ch. 17 - This photo shows the leg bone of fossil Horse left...Ch. 17 - Scientists have found a number of fos- sil...Ch. 17 - Laura says she doesnt believe that humans were at...Ch. 17 - In one of the most spectacular archaeological...Ch. 17 - If there is life on Mars and this life had evolved...Ch. 17 - If life evolved on Venus, what adaptations might...Ch. 17 - During a drought, the supply of seeds available to...Ch. 17 - Prob. 94TDICh. 17 - You are eating a salad when you almost bite down...Ch. 17 - Birds eggs vary tremendously in color. Do you...Ch. 17 - Prob. 97TDICh. 17 - Prob. 98TDICh. 17 - Scientific theories may be falsifiable. Is...Ch. 17 - Scientiests who are searching for new fosils of...Ch. 17 - Prob. 101TDICh. 17 - When Stanley Miller and Harold Urey built their...Ch. 17 - Which of the following is known to be found on...Ch. 17 - Prob. 3RATCh. 17 - Which of these adaptations is the result of sexual...Ch. 17 - If we compare related rabbit species in desert and...Ch. 17 - Which of the following mechanism of evolution...Ch. 17 - Prob. 7RATCh. 17 - Prob. 8RATCh. 17 - The fossil Archaeopteryx links birds to which...Ch. 17 - There is DNA evidence that humans interbred with...
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