Which of the following statements about cells is true?

1. Which of the following statements about cells is true? a. Cells are the structures that contain all of the materials necessary for life. b. Cells are found in all organisms. c. Cells are sometimes specialized for particular functions. d. All of the above

2. Which of the following statements about all living things is true? a. All living things reproduce sexually. b. All living things have one or more cells. c. All living things must make their own food. d. All living things reproduce asexually.

3. Organisms must have food because a. food is a source of energy. b. food supplies cells with oxygen. c. organisms never make their own food. d. All of the above

4. A change in an organism’s environment that affects the organism’s activities is a a. response. b. stimulus. c. metabolism d. producer

5. Organisms store energy in a. nucleic acids. b. phospholipids. c. lipids d. water.

6. The molecule that contains the information about how to make proteins is a. ATP. b. a carbohydrate. c. DNA. d. a phospholipid.

7. Sexual Requires two parents Babies have traits from both parents Asexual Requires only 1 parent Babies IDENTICAL to parent What is the difference between asexual reproduction and sexual reproduction?

8. What is ATP, and why is it important to a cell? • ATP is the cell’s main energy chemical • It provides the energy cells need for everyday activities.

9. A flame can move, grow larger, and give off heat. Is a flame alive? Explain. No It cannot reproduce It is not made of cells It doesn’t have DNA It doesn’t use energy, it makes energy

10. Based on what you know about carbohydrates, lipids, and proteins, why is it important for you to eat a balanced diet? Different types of food provide different things for your body: Carbs provide energy (make ATP) Proteins build body parts

11. Which characteristic of life is shown here? Responding to a stimulus. It is bending towards the light source.

12. a. cell b. homeostasis c. heredity d. metabolism e. stimulus f. asexual reproduction g. sexual reproduction a change that affects the activity of the organism

13. a. cell b. homeostasis c. heredity d. metabolism e. stimulus f. asexual reproduction g. sexual reproduction the passing of traits from one generation to the next

14. a. cell b. homeostasis c. heredity d. metabolism e. stimulus f. asexual reproduction g. sexual reproduction the smallest unit that can perform all life processes

15. a. cell b. homeostasis c. heredity d. metabolism e. stimulus f. asexual reproduction g. sexual reproduction the maintenance of a stable internal environment

16. H A L F H20 (Water) Air Living space Food What four things do all living things need?

17. an organism that makes its own food a. ATP b. carbohydrate c. lipid d. protein e. consumer f. producer g. nucleic acid h. decomposer

18. a molecule made of sugars a. ATP b. carbohydrate c. lipid d. protein e. consumer f. producer g. nucleic acid h. decomposer

19. a molecule that is sometimes called the blueprint of life a. ATP b. carbohydrate c. lipid d. protein e. consumer f. producer g. nucleic acid h. decomposer

20. an energy-storing compound that cannot mix with water a. ATP b. carbohydrate c. lipid d. protein e. consumer f. producer g. nucleic acid h. decomposer

21. an organism that breaks down the remains of dead organisms or animal waste to get energy a. ATP b. carbohydrate c. lipid d. protein e. consumer f. producer g. nucleic acid h. decomposer

22. Which of the following is NOT a characteristic that all organisms share? a. ability to taste and smell b. ability to use energy c. ability to grow and develop d. ability to sense and respond to change

23. What type of molecule is DNA? a. an amino acid b. a protein c. a lipid d. a nucleic acid

24. What do gravity, sounds, and light have in common? a. They are necessary for survival. b. They are characteristics of life. c. They are experiences all organisms share. d. They are examples of stimuli.

25. .Which of the following is NOT a basic need of most organisms? a. food b. plants c. air d. water

26. Name three examples of carbohydrates. Check your book for an answer…

27. What are spider webs, hair and fingernails made of? Protein

28. Carbohydrates and lipids transfer their energy to ____________, which is a form of energy that cells can use. ATP

29. When a planarian worm is cut in half, each half develops into a whole worm. This is an example of ______________________ reproduction ASEXUAL

30. When a duck dives under water, its inner eyelids automatically raise to cover the duck’s eyes. In this case, water acts as • homeostasis. • a stimulus. • a reaction • an enzyme

31. Which of the following are NOT used by cells for energy storage? a. fats • oils • nucleic acids d. carbohydrates

32. Which of the following is NOT true of proteins? • They are a component of spider webs. • They are obtained from food. • They are the main source of energy for cells. d. They supply the building blocks needed to repair tissues.

33. P L A N C Protein Lipid ATP Nucleic Acid (DNA) Carbohydrate Name the five chemical building blocks of cells

34. The smallest unit that can perform all life processes is called a(n) ______________________. CELL

35. What is your body trying to do when you are either shivering or sweating? Maintain Homeostasis

36. Most animals and plants reproduce through ______________________ reproduction. Answer: Sexual

37. The passing of traits from parents to offspring is called ______________________. Answer: Heredity

38. In addition to getting larger, what other things might happen as living things grow? They develop, mature, become more complex.

39. G R A C E D Grow and Develop Reproduce Adapt to stimuli Cells (made of them) Energy (use it) DNA (contain it) List the 6 Characteristics that all living things share

40. Air is a mixture of gases, including oxygen and • a. carbon monoxide. • b. carbon dioxide. • c. sulfur dioxide. • d. nitrogen dioxide.

41. Green organisms convert the energy in sunlight to energy stored in food during______________________. Answer: Photosynthesis

42. Why are nucleic acids called the blueprints of life? They provide the instructions for the traits we get from our parents

43. He was the first person to describe cells. a. Schleiden b. Virchow c. Hooke d. Leeuwenhoek e. Schwann

44. He discovered single-celled organisms called animalcules. a. Schleiden b. Virchow c. Hooke d. Leeuwenhoek e. Schwann

45. He concluded that all plant parts were made of cells. a. Schleiden b. Virchow c. Hooke d. Leeuwenhoek e. Schwann

46. He concluded that all animal tissues were made of cells. a. Schleiden b. Virchow c. Hooke d. Leeuwenhoek e. Schwann

47. He concluded that all cells came from existing cells. a. Schleiden b. Virchow c. Hooke d. Leeuwenhoek e. Schwann

48. List the three parts of the Cell Theory • Cells are the basic unit of structure and function of all living things • All cells come from existing cells • All organisms are made of one or more cells.

49. What is spontaneous generation? Mistaken idea that life can come from non-living sources.