CHAPTER 25 Summary
Living organisms have an anatomical structure that is adapted to suit their physiological
Humans and other multicellular organisms are organized hierarchically: cells assemble
to make up tissues; tissues congregate to form or
CHAPTER 7 Summary
DNA is the hereditary molecule of all living organisms. DNA contains instructions for
building an organism.
DNA sequences determine the genetic uniqueness and relatedness of individuals.
The DNA in a eukaryotic cell is packaged into chro