Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 29, Problem 12TYK
Discuss Concepts Modern humans emerged about 100,000 years ago. How accurate is it to state that our species has lived in the Age of Wood? Explain.
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Chapter 29 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 29.1 - What major reproductive adaptations facilitated...Ch. 29.1 - How did seeds, pollen, and pollination affect the...Ch. 29.2 - Why are gymnosperms called naked seed plants?Ch. 29.2 - Prob. 2SBCh. 29.2 - Summarize the steps of the pine life cycle.Ch. 29.3 - Prob. 1SBCh. 29.3 - Prob. 2SBCh. 29.4 - Prob. 1SBCh. 29.4 - Prob. 2SBCh. 29.5 - Name four major ways human societies rely on seed...
Ch. 29.5 - Prob. 2SBCh. 29 - Prob. 1TYKCh. 29 - Prob. 2TYKCh. 29 - Prob. 3TYKCh. 29 - Prob. 4TYKCh. 29 - Prob. 5TYKCh. 29 - Prob. 6TYKCh. 29 - Prob. 7TYKCh. 29 - Prob. 8TYKCh. 29 - Prob. 9TYKCh. 29 - Adaptations that correlate with the adaptive...Ch. 29 - Prob. 11TYKCh. 29 - Discuss Concepts Modern humans emerged about...Ch. 29 - Discuss Concepts Compare the size, anatomical...Ch. 29 - Prob. 14TYKCh. 29 - Discuss Concepts Working in the field, you...Ch. 29 - Prob. 16TYKCh. 29 - Prob. 1ITDCh. 29 - Prob. 2ITD
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- The production of megaphylls by many different species of plants is an example of _____. a. parallel evolution b. analogy c. divergent evolution d. homologyarrow_forwardMorphological analogs are structures having similar functions but different origins. For example, the wing of an airplane and a wing of a bird are analogous but certainly have different origins. Name and explain the comparisons of THREE ideas that humans have borrowed from plants and animals to use in building structures and making materials.arrow_forwardYou observed that a hungry herbivorous animal has eaten the bark of a small tree to as far as it can reach. At first, the tree seems to remain healthy; but after some time, it died. Develop a hypothesis to explain your observations.arrow_forward
- The second name sets a particular species apart from the rest of the species within the genus? True or False The evolution of plant life can be based on mutation? True or falsearrow_forwardWhy do you suppose plants and forests appeared in large numbers before large animals did? Several of the choices may be correct. Select the options you expect to be the strongest contributing factors.Choose one or more: A.The increased oxygen levels produced by land plants accelerated animal evolution. B.Plants were driven to land by scarce resources in the oceans, such as light and minerals. C.Plants had to change less to survive on land. D.It was too cold for animals at first. E.There was not enough oxygen for lungs to be effective before plants colonized land. F.The order was pure chance and could have gone either way. G.Animals need food, and there was none on land before plants. H.Animals are more susceptible to radiation and needed more ozone in order to survive out of the water.arrow_forwardFor fossils, we often must use a mix of artificial and natural classification. What is a form genus? If you found a specimen of fossil wood—but only wood, with no leaves or cones or bark—and it looked like wood of modern pines, what genus would you classify it in?arrow_forward
- BIOLOGY How did life most likely originate in the planet? Choose below. - Biogeochemical theory - Special Creation - Spontaneous Generation - Panspermiaarrow_forwardPlant life first appeared on land during which of the following periods? a. Cambrian period b. Ordovician period c. Silurian period d. Devonian periodarrow_forwardLOOK AND ANALYZE AT THE ILLUSTRATION BELOW. THE ANSWER WILL BE BASED ON THE ILLUSTRATION For about how many years of geological time have the dinosours existed on earth?? Did dinosours exist at the same time as humans? How do scientists determine when an era begins and when it ends? What is the purpose of making a geological timelinearrow_forward
- Imagine a sealed terrarium containing a plant and a beetle. How does each organism provide resources for the other? Could each organism survive if it was the only living thing in the terrarium? Why or why not?arrow_forwardScientist have determined that the early Earth had no free oxygen anywhere. Briefly explain what evidence in the rock layers that scientists found to prove when the early conditions on earth had free oxygen in the atmosphere.arrow_forwardLook at picture attached A) What does the phylogeny suggest about the evolutionary process that led to the trait differences by habitat? a. convergent evolution b. adaptive radiation c. phenotypic plasticity B) Choose different functional forms from two of the habitats shown in the collage and describe how one or more differences in form may represent an adaptation to their different environment. Example: compare plant form for lobeliads in montane bog to cloud forest understoryarrow_forward
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