Section 5.5: Multicellular Life & REVIEW

KEY CONCEPT Cells work together to carry out complex functions.

VOCABULARY tissue organ system stem cell organ cell differentiation

MAIN IDEA: MULTICELLULAR ORGANISMS DEPEND ON INTERACTIONS AMONG DIFFERENT CELL TYPES. Complete the diagram below that represents organization in multicellular organisms.

4. List two examples of tissues found in plants. ______5. List two examples of organ systems found in plants. ______6. How does an organism benefit from organ systems that work together and communicate? ______

MAIN IDEA: Specialized cells perform specific functions. 7. What is the process by which unspecialized cells develop into specialized cells? ______8. Do different types of cells have different DNA? Explain. ______9. What role does cell location play within a developing embryo? ______

© Houghton Mifflin Harcourt Publishing Company Holt McDougal Biology 1 Cell Growth and Division Study Guide B Section 5: Multicellular Life MAIN IDEA: STEM CELLS CAN DEVELOP INTO DIFFERENT CELL TYPES. Complete the concept map below about stem cell classification.

10. List the three identifying characteristics of stem cells. ______11. Place a check mark in the appropriate box to indicate whether the following statements are advantages of using adult stem cells or advantages of using embryonic stem cells. Adult stem Embryonic Advantages cells stem cells They can be grown indefinitely in culture.

They do not raise as many ethical concerns.

They could avoid rejection issues when used in a patient. They can develop into virtually any type of cell.

Vocabulary Check 12. What is cell differentiation? ______13. Write the following words in order from the largest structure to the smallest structure: cell, organ, organ system, tissue ______CHAPTER 5 REVIEW On p. 149 of the textbook under the section titled “Reviewing MAIN IDEAS,” CHOOSE SIX of the

© Houghton Mifflin Harcourt Publishing Company Holt McDougal Biology 2 Cell Growth and Division Study Guide B Section 5: Multicellular Life twelve questions (#11-22) listed and answer them here: a. ______b. ______c. ______d. ______e. ______f. ______On p. 150 of the textbook under the section titled “Critical Thinking,” answer #23, 25-27 here: 23. ______25. ______26. ______© Houghton Mifflin Harcourt Publishing Company Holt McDougal Biology 3 Cell Growth and Division Study Guide B Section 5: Multicellular Life 27. ______

On p. 150 of the textbook under the sections titled “Interpreting Visuals” and “Analyzing Data,” answer questions #29-33 here: 29. ______30. ______31. ______32. ______33. ______

On p. 151 of the textbook, “Standards-Based Assessment” answer the questions here: 1. ______2. ______3. ______4. ______5. ______6. ______