Biology, Eighth Edition (Raven)

Chapter 26: The Tree of Life

Learning Outcomes

Chapter 26
  • Understand the properties that are both necessary and sufficient to describe life.
  • Know the experimental evidence that supports the evolution of carbon based life on earth.
  • Describe the changes that have occurred in the earth’s atmosphere over the last 4.5 billion years.
  • Explain the importance of biological bubbles to the origin of cells.
  • Compare and contrast fossil bacteria, archaebacteria, and other present day eubacteria.
  • Know how eukaryotes differ from prokaryotes.
  • Delineate the current six kingdom system of classification.
  • Be able to support or refute the existence of life elsewhere in the universe.
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