7th Grade Science Student ebook

Chapter 7 The Microscopic World In previous chapters, you learned what cells are like on the inside and how they work. Most livi ...

UNIT 2 CELL BIOLOGY Figure 7.1: What kind of life would you encounter in a drop of pond water? Figure 7.2: Fucus is a type of al ...

7.1 PROTOZOANS Chapter 7: The Microscopic World Structure and function of protozoans Protozoans have specialized organelles Prot ...

UNIT 2 CELL BIOLOGY Figure 7.4: A diagram of a euglena. flagellates - a group of protozoans that move using a whip-like organell ...

7.1 Protozoans. CHAPTER 7: THE MICROSCOPIC WORLD 7.1 Section Review To which kingdom do protozoans belong? What other organisms ...

UNIT 2 CELL BIOLOGY Figure 7.5: Bacteria in your digestive tract help you digest food. Figure 7.6: A bacterium is a prokaryotic ...

7.2 BACTERIA CHAPTER 7: THE MICROSCOPIC WORLD Size and shape of bacteria How big are bacteria? The average bacterial cell is abo ...

UNIT 2 CELL BIOLOGY Figure 7.8: Some bacteria move using flagella. photosynthetic bacteria - bacteria that produce their own foo ...

7.2 Bacteria. CHAPTER 7: THE MICROSCOPIC WORLD Bacteria and the beginning of life on Earth Bacteria were the first organisms Sci ...

UNIT 2 CELL BIOLOGY Figure 7.10: Bacteria are an important part of nutrient cycles. The importance of bacteria Bacteria and indu ...

7.2 BACTERIA CHAPTER 7: THE MICROSCOPIC WORLD 7.2 Section Review How are bacteria similar to and different from protozoans? Nam ...

UNIT 2 CELL BIOLOGY Figure 7.11: An image of flu viruses bursting out of a cell. The image was captured using an electron micros ...

7.3 VIRUSES CHAPTER 7: THE MICROSCOPIC WORLD How viruses infect cells Host cells become factories for the virus When some viruse ...

UNIT 2 CELL BIOLOGY Figure 7.13: Antibodies prevent viruses from entering cells. immune system - a system that protects an organ ...

7.3 Viruses. CHAPTER 7: THE MICROSCOPIC WORLD Vaccines A vaccine causes your immune system to produce antibodies to a particular ...

The Good, The Bad, The Microbe What are our bodies made of? Water, oxygen, tissue, yes - but you might be surprised to learn tha ...

UNIT 2 CELL BIOLOGY Microbes can live in all kinds of environments. Some require oxygen, others thrive without it. Also, microbe ...

Outbreak! Patient Zero An epidemic spreads rapidly by infection and affects many individuals in a population at the same time. E ...

CHAPTER 7 THE MICROSCOPIC WORLD Chapter 7 Assessment Vocabulary Select the correct term to complete the sentences. Section 7.1 ...

CHAPTER 7 THE MICROSCOPIC WORLD What can some Protozoans do to survive through dry conditions? How are protozoans divided into ...