Biology
Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 54, Problem 1DA
Summary Introduction

To determine: The information from the slope of the line about the behavior of the lizard.

Introduction: The horned lizards have flattened body and spikes on head and body which is distinguishable from their ancestors. These spikes help them to defend against predators. The evolution of horned lizard can be explained by Darwin’s theory of natural selection.

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The tropical lizard has a behavioral system that helps it to manage a fairly uniform temperature of the body. The lizard basks in the open sun where there are patches of sunlight and then goes back to shade when the body becomes too hot. In shaded areas where there is low availability of sun the lizards adapt and becomes conformer, and subsequently adjust their body temperature to that of the surrounding.

The slope of the lizards in shaded areas indicate the constant increase in body temperature with respect to the surrounding whereas the slope of the tropical lizard in open habitat shows a uniform range of temperature maintained by the organisms irrespective of the change in air temperature.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.)   Data Table 1Stage    Totals    PercentInterphase        Mitosis:        Prophase        Metaphase        Anaphase        Telophase        Cytokinesis        Totals    100    100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

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