CH._1_Outline_11e[1]

CH._1_Outline_11e[1] - 1 INVITATION TO BIOLOGY Key Terms...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 1 INVITATION   TO   BIOLOGY Key Terms cell tissues organs organ systems community ecosystem biosphere producers consumers decomposers receptors stimulus homeostasis DNA inheritance reproduction development species genus, genera Bacteria Archaea Eukarya Prokaryotic protists plants fungi animals mutation trait evolution natural selection artificial selection Lecture Outline            Impacts, Issues:  What Am I Doing Here? A. Current world events seem chaotic. 1. Humans spill oil that threatens aquatic life. 2. Diseases such as AIDS destroy lives. 3. Even the global temperatures seem to be unstable. B. But past world events also have been destructive. 1. Bioterrorism was around in 1346 when soldiers hurled corpses of plague victims over  walled cities. 2. In 1918, Spanish flu raced around the world, killing over 30 million people. C.  Studying biology is one way humans develop a perspective on the world. 1.1 Levels of Organization in Nature A. Making Sense of the World 1. Biologists have a particular way of interpreting the world. B. A Pattern in Biological Organization 1. A general pattern of organization in nature begins with atoms and molecules. 2. The cell, composed of “biological molecules,” is the smallest unit of life.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
3. Multicelled organisms have increasingly complex levels of organization that result in  tissues >> organs >> organ systems >> organisms >> populations >> communities >>  ecosystems >> biosphere. 4. At each successive level of organization emergent properties can be found.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/11/2008 for the course BIO 2430 taught by Professor Rast during the Spring '07 term at Texas State.

Page1 / 3

CH._1_Outline_11e[1] - 1 INVITATION TO BIOLOGY Key Terms...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online