Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 6 - Critical Thinking - Page 115: 1

Answer

What caused the cell to gain weight was cell division.

Work Step by Step

Cell division causes the tree to grow and inevitably increased the mass. These cells are made of many organic compounds that add to the weight.
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