Name: ______

Unit 2: Cells and Systems

Study Guide/100

Topic 1: Characteristics of Living Things

  1. What are the 5 main characteristics of living things? (5 marks)
  1. Describe the purpose of the following types of animal tissues: (1 mark each)

a)Muscle tissue:

b)Epithelial tissue:

c)Nerve tissue:

d)Connective tissue:

  1. Describe the purpose of the following types of plant tissues: (1 mark each)

a)Xylem tissue:

b)Phloem tissue:

c)Epidermal tissue:

  1. The body is made up of tissues, organs, cells and systems. Explain how these are organized. Use a graphic organizer to help explain your answer. (2 marks)
  1. Define the following terms. Use examples to help explain your answers where appropriate. (4 marks)

a)cell:

b)tissue:

c)organ:

d)system:

Topic 2: The Role of Cells within Living Things

  1. Cells are often described as the ______of life. All living things are made up of cells! (1 mark)
  1. Describe the difference between single-celled organisms and multi-cellular organisms. Give an example of each. (2 marks)
  1. Why are cells in multi-cellular organisms specialized? (1 mark)
  1. What are the advantages of being multi-cellular? (1 mark)

Topic 3: The Microscope

  1. What does the term magnifying mean? (1 mark)
  1. What are the two types of microscopes commonly used today? What type do we use in school? (3 marks)
  1. What is the correct procedure for using a microscope? Be detailed in your answer. (E.g. How do you hold it? Which objective lens do you use first? How do you focus…etc?) (4 marks)
  1. Label the following diagram (4 marks)

Topic 4: Plant and Animal Cells

  1. What is an organelle? (1 mark)
  1. What are the main differences between plant and animal cells? (2 marks)
  1. List the organelles found in animal cells and describe their function. (5 marks)
  1. List the organelles found in plant cells and describe their function.(3 marks)
  1. Explain how gases and liquids move into and out of cells. Which organelle controls the movement? How? (2 marks)
  1. Explain how diffusion works. Use a diagram to help explain your answer. (2 marks)
  1. Diffusion allows which two gases to travel into and out of cells? Which gas do the cells need to function and which gas do they release? (2 marks)
  1. Describe the process of osmosis. Why is osmosis important to plants? (2 marks)
  1. Describe the pathway of water through a plant. (3 marks)
  1. Define the following terms: (1 mark each)

a)Stoma:

b)Transpiration:

Topic 5: Systems

  1. Describe the major functions of the following systems: (1 mark each)

a)Digestive System:

b)Respiratory System:

c)Circulatory System:

d)Excretory System:

e)Sensory Awareness System:

  1. Label and title the following diagrams.

a)(2 marks)

b)(2 marks)

  1. Describe the pathway food travels on after it enters the mouth. (2 marks)
  1. Describe the pathway air travels on after it enters the mouth and nose. (2 marks)
  1. What is the main function of the following parts of blood? (1 mark each)

a)Plasma:

b)Red blood cells:

c)White blood cells:

d)Platelets:

  1. Define the following terms: (1 mark each)

a)Hemoglobin:

b)Blood vessel:

c)Veins:

d)Arteries:

e)Capillaries:

  1. Your sensory awareness system allows your body to respond to external stimuli. Explain how your body responds to the following situations. (1 mark each)

a)Cold:

b)Heat:

c)Exercise:

d)Panic:

Topic 6: Scientific Knowledge

  1. There are many digestive system disorders, name 2 and give their causes. (2 marks)
  1. Why do smokers cough? (1 mark)
  1. What is bronchitis? (1 mark)
  1. What is one of the main causes of Lung Cancer? (1 mark)
  1. Name 3 common problems with the circulatory system? What are some possible causes of these conditions? (4 marks)
  1. What is a vaccine? How does it work? (2 marks)
  1. Nutrition is extremely important. Which disease was found to be caused by a lack of Vitamin C? What were the symptoms? (2 marks)
  1. How can your diet affect your cholesterol levels? (1 mark)
  1. How can you diet lead to the development of ulcers? (1 mark)