CK12 Life Science

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1 Studying Life 1.1 Lesson 1.1: The Nature of Science 1.2 Lesson 1.2: The Scientific Method 1.3 Lesson 1.3: Tools of Science 1. ...

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Chapter 1 Studying Life 1.1 Lesson 1.1: The Nature of Science Lesson Objectives Understand that science is a system based on ev ...

Understand that principles of philosophy and religion usually cannot be tested scien- tifically, because they are not based on ...

Figure 1.1:Escherichia colibacteria ( 25 ) Figure 1.2: A male lion. ( 9 ) Figure 1.3: A Humpback whale. ( 15 ) ...

entities. For example, there is evidence that many different cultures drilled holes in the skulls of patients who had seizures o ...

Figure 1.5: In 1847, a doctor, Ignaz Semmelweis, demonstrated that when he washed his hands before delivering babies fewer women ...

Figure 1.6: Which is safer, a plastic or wood cutting board? ( 3 ) actually better? When scientists tested this idea, the answer ...

What Are the Life Sciences? The life sciences are the study of living organisms and how they interact with each other and their ...

Table 1.2: (continued) Life Science What it Examines Life Science What it Examines Table1.3:Fields of biology that examine the d ...

Figure 1.7: The Phylogenetic Tree of Lifeshows the relationship between living organ- isms. Humans and other mammals (eukaryotes ...

Figure 1.8: Epidemiologists study how diseases spread. The above map shows where humans contractedWestNileVirusbetween2000and200 ...

Two Important Life Science Theories In the many life sciences, there are possibly hundreds or thousands of theories. Yet there a ...

Figure 1.11: A mouse cell viewed through a microscope. ( 7 ) to their environment. The theory of evolution by natural selection ...