Chapt02 Lecture

Learning Outcomes After studying this chapter, you should be able to answer the following questions: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2-

[object Object],[object Object],2-

2.1 Systems Describe Interactions ,[object Object],[object Object],2-

Systems can be described in terms of their characteristics ,[object Object],[object Object],2-

Positive & Negative Feedback ,[object Object],[object Object],2-

2.2 Elements of Life ,[object Object],Figure 2.5 As difficult as it may be to imagine when you look at a solid object, all matter is composed of tiny, moving particles, separated by space and held together by energy. This model rep resents a carbon-12 atom, with a nucleus containing six protons and six neutrons; the six electrons are represented as a fuzzy cloud of potential locations, rather than as individual particles. 2-

Chemical bonds hold molecules together ,[object Object],[object Object],[object Object],[object Object],2-

Electrical charge is an important chemical characteristic ,[object Object],[object Object],[object Object],[object Object],[object Object],2-

pH: Acids, Bases, and Buffers ,[object Object],[object Object],2-

The four major groups of organic molecules ,[object Object],2-

Cells are the fundamental units of life ,[object Object],2-

2.3 Energy ,[object Object],[object Object],2-

Kinetic Energy ,[object Object],[object Object],2-

Potential Energy ,[object Object],[object Object],2-

Energy continued… ,[object Object],[object Object],[object Object],[object Object],2-

2.4 Energy for Life: Green plants get energy from the sun ,[object Object],[object Object],[object Object],2-

The electromagnetic spectrum 2-

How does photosynthesis capture energy? ,[object Object],2-

Respiration & Photosynthesis ,[object Object],2-

2.5 From Species to Ecosystems ,[object Object],[object Object],[object Object],2-

Food chains, food webs, and trophic levels link species 2-

Trophic Levels ,[object Object],[object Object],2-

Ecological pyramids describe trophic levels 2-

A numbers pyramid ,[object Object],2-

2.6 Biogeochemical Cycles and Life Processes ,[object Object],[object Object],[object Object],2-

Practice Quiz ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2-

Practice Quiz continued… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2-

Chapt02 Lecture

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