Biology: How Life Works - Standalone book
2nd Edition
ISBN: 9781464126093
Author: James Morris, Daniel Hartl, Andrew Knoll, Robert Lue, Melissa Michael, Andrew Berry, Andrew Biewener, Brian Farrell, N. Michele Holbrook
Publisher: W. H. Freeman
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Question
Chapter 28, Problem 1QC
Summary Introduction
To differentiate:
The simple multicellular organisms and complex multicellular organisms.
Concept introduction:
All the organisms are made up of cells. The cells are the basic living unit of the organisms. The organisms differ from each other on the basis of the organization of cells in them. Some of the organisms are unicellular and some are multicellular. The multicellular organisms are divided into simple multicellular and complex multicellular organisms.
Expert Solution & Answer
Explanation of Solution
The differences between the simple multicellular organisms and complex multicellular organisms are as follows:
Simple multicellular organisms | Complex multicellular organisms |
The simple multicellular organisms are the organisms that have a simple level of multicellularity. The cells are not much differentiated, they are alike. | The complex multicellular organisms are the organisms that have highly differentiated and arranged cells and tissues at their level. |
Due to the lack of complex arrangement of cells: the cells are in direct contact with the outer surroundings. | The most of the cells in the complex multicellular organisms are being enclosed by other cells. |
For example: Volvox and sponges. | For example: Chrodartes and Reptiles. |
Conclusion
The basic difference between the simple multicellular and complex multicellular organisms is the number and differentiation of cells.
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Chapter 28 Solutions
Biology: How Life Works - Standalone book
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