The closure of the septum between the two ventricles to create a double respiratory system as an evolutionary advantage. Introduction: Animal circulatory system is the network of blood vessels to supply oxygen (O 2 ) and other nutrients to the tissues via heart and removing waste materials such as carbon dioxide (CO 2 ). It can either be the open circulatory system or closed circulatory system. The invasion of terrestrial habitats by the different vertebrate groups led to an evolutionary trend.

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1. Color the line that represents all ancestors of the Eastern white pine tree green (but only the ancestral line NOT shared with other organisms) 2. Oncle the last common ancestor of the Colorado blue spruce tree and Eastern white pine tree. 3. Put a box around the last common ancestor of the sugar maple tree and the dogwood tree. 4. Put a triangle around the last common ancestor of the red pine tree and the american holly bush. 5. Color the line that represents all ancestors of the Ponderosa pine tree red (including all shared ancestors). 6. Color the line that represents all ancestors of the American elm tree blue (including all shared ancestors). 7 Color the line that represents all ancestors of the Sabal palm tree purple (including all shared ancestors) 8. Using a yellow highlighter or colored pencil, circle the clade that includes all pine trees. 9. Using a orange highlighter or colored pencil, circle the clade that includes all gymnosperms 10. Can you tell…

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Chapter 44, Problem 15TYK

Summary Introduction

To review:

The closure of the septum between the two ventricles to create a double respiratory system as an evolutionary advantage.

Introduction:

Animal circulatory system is the network of blood vessels to supply oxygen (O₂) and other nutrients to the tissues via heart and removing waste materials such as carbon dioxide (CO₂). It can either be the open circulatory system or closed circulatory system. The invasion of terrestrial habitats by the different vertebrate groups led to an evolutionary trend.

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1. Color the line that represents all ancestors of the Eastern white pine tree green (but only the ancestral line NOT shared with other organisms) 2. Oncle the last common ancestor of the Colorado blue spruce tree and Eastern white pine tree. 3. Put a box around the last common ancestor of the sugar maple tree and the dogwood tree. 4. Put a triangle around the last common ancestor of the red pine tree and the american holly bush. 5. Color the line that represents all ancestors of the Ponderosa pine tree red (including all shared ancestors). 6. Color the line that represents all ancestors of the American elm tree blue (including all shared ancestors). 7 Color the line that represents all ancestors of the Sabal palm tree purple (including all shared ancestors) 8. Using a yellow highlighter or colored pencil, circle the clade that includes all pine trees. 9. Using a orange highlighter or colored pencil, circle the clade that includes all gymnosperms 10. Can you tell…

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