Jean-Baptiste de Lamarck’s explanation for the evolution of long-necked giraffes from shorter-necked okapi-like ancestors migrating to a savanna would not include which of the following features? okapis in a savanna habitat found it advantageous to stretch their necks for treetop leaves once an okapi had acquired a longer neck, it could pass on this new trait to its offspring only those okapis with favorable traits (long necks) could be ancestral to savanna giraffes each individual okapi could increase its neck-length by deliberate, consistent exercise over time, inheritance of acquired characteristics in okapis would lead to savanna giraffes

Jean-Baptiste de Lamarck’s explanation for the evolution of long-necked giraffes from shorter-necked okapi-like ancestors migrating to a savanna would not include which of the following features? okapis in a savanna habitat found it advantageous to stretch their necks for treetop leaves once an okapi had acquired a longer neck, it could pass on this new trait to its offspring only those okapis with favorable traits (long necks) could be ancestral to savanna giraffes each individual okapi could increase its neck-length by deliberate, consistent exercise over time, inheritance of acquired characteristics in okapis would lead to savanna giraffes

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter12: Processes Of Evolution

Section: Chapter Questions

Problem 4CT

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Jean-Baptiste Lamarck (1744-1829), a French scientist who believed in evolution, is known for Lamarckism, or inheritance through acquired characteristics. He argued that environmental influences could put pressure on animals, making them use some characteristics more and some less, and that the changes acquired by the parents would be passed to the next generations. A common example of this theory is that giraffes could actually grow longer necks by straining to get to higher and higher branches for food, and that the offspring of these longer- necked giraffes would have longer necks at birth. We will get to epigenetics later in the class, and realize that Lamarck wasn't all wrong. But he was mistaken about giraffes! Your responses will help you understand why... (France page 7) a. Is this argument at the level of a hypothesis, or is it a theory? Why? b. How would you set up an experiment to test Lamarck's beliefs? c. What would be your dependent variable? d. What would be your…