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Science Cumulative Review 1 Unicellular and Multicellular Organisms And Human Body Systems Page 1 of 13 All Living things… 1. Take in nutrients 2. Need and use energy to work 3. Reproduce 4. Grow 5. Respond to the world around them 6. Get rid of waste Page 2 of 13 Page 3 of 13 Page 4 of 13 Page 5 of 13 Page 6 of 13 Page 7 of 13 Page 8 of 13 Page 9 of 13 Additional Review Questions Page 10 of 13 A few more questions!! 1. What are groups of cells called? a. Celloids Page 11 of 13 2. 3. 4. 5. b. Cells c. Tissues d. Cell membranes What is one example of a unicellular organism? a. Flower b. Bird c. Bacteria d. Cow What type of organism would be able to survive as a single cell? a. Algae b. Rabbit c. Human d. Grass How are the cells of a multicellular organism most different from the cells of a unicellular organism? a. Cells in a multicellular organism are specialized while cells in a unicellular organism are generalized. b. Cells in a unicellular organism are specialized while cells in a multicellular organism are generalized c. Cells in a multicellular organism can survive on their own while unicellular cells require other cells to survive d. Cells in a unicellular organism are much large than cells form a multicellular organism Which of the following is not a characteristic of a living thing? a. Made of cells b. Responds to the environment c. Covered in fur or hair d. Ability to get and use energy Page 12 of 13 Key Vocabulary 1. Cell 2. uni-cellular 3. multi‐cellular 4. organism 5. circulatory system (heart, blood, vessels) 6. respiratory system (nose, trachea, lungs) 7. skeletal system (bones), 8. muscular system (muscles) 9. digestive system (mouth, esophagus, stomach, intestines) 10. nervous system (brain, spinal cord, nerves) 11. cytoplasm 12. nucleus 13. mitochondria 14. chloroplast 15. vacuoles 16. transport 17. internal 18. external 19. cardio- 20. system Page 13 of 13