CK12 Life Science
Figure 1.26: The Biohazard symbol. ( 24 ) Using safety equipment, such as hoods and fans (Figure1.27andFigure1.28). Demonstrati ...
Figure 1.28: Scientists studying dangerous organisms such asYersinia pestis, the cause of bubonic plague, use special equipment ...
Field Research Safety Scientists who work in the outdoors, called ”field scientists,” are also required to follow safety regulat ...
Review Questions What kinds of hazards might be found in biology laboratories, but not physics labora- tories? Who has more fre ...
Vocabulary anecdotal evidence A description of an event that is used to make a point. applied research Research designed for the ...
(2) Evolution explains the millions of varieties of organisms on Earth.. CC-BY-SA 3.0. (3) http://en.wikipedia.org/wiki/File:Cho ...
(25) NIH.Escherichia colibacteria. Public Domain. (26) The_Anatomy_Lesson.jpg. Public Domain. (27) http://commons.wikimedia.org/ ...
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Chapter 2 Introduction to Living Organisms 2.1 Lesson 2.1: What are Living Things? Lesson Objectives List the defining characte ...
Need energy to carry out life processes Are composed of one or more cells (the cell theory) Evolve and share an evolutionary hi ...
Figure 2.2: A bird fluffs his feathers to stay warm (keep from losing energy) and to maintain homeostasis. ( 6 ) Mammals and bir ...
Figure 2.3: Like all living things, cats reproduce themselves and make a new generation of cats. When animals and plants reprodu ...
Other organisms have many millions of cells that make up different body tissues and organs. On the other hand, eggs are some of ...
Figure 2.5: This paramecium is a one-celled organism. ( 9 ) ...
make their “food” through the process of photosynthesis (seeCell Functionschapter). Like animals, mushrooms and other fungi obta ...
Give two examples of processes that help organisms achieve homeostasis. What are three characteristics of living things? What a ...
Explain how elements are organized on the periodic table. Explain the function of enzymes. Name the four main classes of organi ...
always has 11. To restate this, all the atoms of a particular element have the exact same number of protons, and the number of p ...
making jewelry. There are also highly reactive nonmetals, such as chlorine and oxygen, and some nonreactive gases, such as heliu ...
make up all the diverse types of matter in the universe. The process by which two different elements come together to form a com ...
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