Biology<br />An Introductory Overview<br />
Biology is the study of living things<br />“Living things” are also known as organisms<br />Organisms include bacteria, pr...
Life arose more than 3.5 BILLION years ago<br />Single-celled organisms were the only life forms for millions of years <br...
There are millions of species covering the entire globe<br />Today…<br />
The basic unit of structure of all organisms is the CELL.<br />All organisms REPRODUCE.<br />All organisms have a genetic ...
The basic unit of structure of all organisms is the CELL.<br />Unicellular Organism<br />Multicellular Organism<br />
All organisms have a genetic code (DNA).<br />
All organisms REPRODUCE.<br />Sexual Reproduction <br />DNA from 2 different parents<br />Asexual Reproduction<br />Single...
All organisms GROW & DEVELOP.<br />
Growth vs. Development<br />GROWTH= Getting larger<br />DEVELOPMENT= Changing Shape and Structure<br />
All organisms use ENERGY.<br />
All organisms RESPOND to their environment.<br />
Stimulus = a signal to which we respond<br />“The HOT PAN”<br />Response= a reaction to a stimulus<br />“Dropping the pan”...
All organisms maintain HOMEOSTASIS.<br />
As a group, all organisms EVOLVE.<br />
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Welchbiointro

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Welchbiointro

  1. 1. Biology<br />An Introductory Overview<br />
  2. 2.
  3. 3. Biology is the study of living things<br />“Living things” are also known as organisms<br />Organisms include bacteria, protists, fungi, plants, and animals.<br />What is Biology?<br />
  4. 4. Life arose more than 3.5 BILLION years ago<br />Single-celled organisms were the only life forms for millions of years <br />Those organisms evolved over time<br />Where did it all begin?<br />
  5. 5. There are millions of species covering the entire globe<br />Today…<br />
  6. 6. The basic unit of structure of all organisms is the CELL.<br />All organisms REPRODUCE.<br />All organisms have a genetic code (DNA).<br />All organisms GROW & DEVELOP.<br />All organisms use ENERGY.<br />All organisms RESPOND to their environment.<br />All organisms maintain HOMEOSTASIS.<br />As a group, all organisms EVOLVE.<br />All Organisms Share 8Characteristics…<br />
  7. 7. The basic unit of structure of all organisms is the CELL.<br />Unicellular Organism<br />Multicellular Organism<br />
  8. 8. All organisms have a genetic code (DNA).<br />
  9. 9. All organisms REPRODUCE.<br />Sexual Reproduction <br />DNA from 2 different parents<br />Asexual Reproduction<br />Single parent (cloning or budding)<br />
  10. 10. All organisms GROW & DEVELOP.<br />
  11. 11. Growth vs. Development<br />GROWTH= Getting larger<br />DEVELOPMENT= Changing Shape and Structure<br />
  12. 12. All organisms use ENERGY.<br />
  13. 13. All organisms RESPOND to their environment.<br />
  14. 14. Stimulus = a signal to which we respond<br />“The HOT PAN”<br />Response= a reaction to a stimulus<br />“Dropping the pan”<br />
  15. 15. All organisms maintain HOMEOSTASIS.<br />
  16. 16. As a group, all organisms EVOLVE.<br />

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