workbook-20231217054736905234-Characteristics-of-Life-Practice-f

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CK-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. Using an open-source, collaborative, and web-based compilation model, CK-12 pioneers and promotes the creation and distribution of high-quality, adaptive online textbooks that can be mixed, modified and printed (i.e., the FlexBook® textbooks). Copyright © 2023 CK-12 Foundation, www.ck12.org The names “CK-12” and “CK12” and associated logos and the terms “FlexBook®” and “FlexBook Platform®” (collectively “CK-12 Marks”) are trademarks and service marks of CK-12 Foundation and are protected by federal, state, and international laws. Any form of reproduction of this content in any format or medium, in whole or in sections, must be attributed according to our attribution guidelines. https://www.ck12info.org/about/attribution- guidelines Except as otherwise noted, all CK-12 Content (including CK-12 Curriculum Material) is made available to Users in accordance with the CK-12 Curriculum Materials License https://www.ck12info.org/curriculum- materials-license Complete terms for use for the CK-12 website can be found at: http://www.ck12info.org/terms-of-use/ Printed: December 17, 2023 1

www. c k 12 .org Shared traits of all living things Worksheet Visit CK12.org for Free Online Practice 1. Which best defines metabolism? a. A characteristic that helps living things survive and reproduce. b. The process of making the next generation. c. The building up and breaking down of chemical compounds. d. Maintaining a stable internal environment. 2. What is the basic unit of structure and function of all organisms? Answer: 3. All living organisms can grow. a. TRUE b. FALSE 4. How does evolution occur? a. through adaptations b. random genetic mutations followed by natural selection c. random genetic mutations followed by adaptations d. change over time in response to the environment 5. Animal cells and plant cells are very similar. a. TRUE b. FALSE 6. Fill in the blank(s): 2

www. c k 12 .org Complete the sentence using one of the following words: anabolism , catabolism , or growth . When we eat starch, our body removes individual glucose monomers for energy. This decomposition is an example of ____________________. 7. What is the breaking down of larger organic molecules into smaller ones? a. anabolism b. catabolism 8. What is evolution? a. A change in traits of a population over time. b. The development of adaptations. c. random genetic mutations and natural selection d. all of the above 9. Which of the following is related to homeostasis? a. a stable internal environment b. the basic unit of the structure and function of living things c. the building up and breaking down of chemical compounds d. helps living things survive and reproduce in their environment 10. All living organisms respond to their environment. a. TRUE b. FALSE 3

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www. c k 12 .org Answer Keys 1. The building up and breaking down of chemical compounds. 2. cell , a cell 3. TRUE 4. random genetic mutations followed by natural selection 5. TRUE 6. catabolism 7. catabolism 8. A change in traits of a population over time. 9. a stable internal environment 10. TRUE 4