2.  The Study of Life Bio logy (Greek) LifeStudy of But what is life??? http://www.youtube.com/watch?v=juxLuo-sH6M&noredirect=1

3.  What are some examples of living things?  Humans  Plants  Insects  Mold  Bacteria  What about these things? Rocks, bicycles, books

5. Biologists have created a list of characteristics by which we can recognize living things

6. All living things….. 1.Are made of one or more Cells 2.Reproduce 3.Obtain and Use Energy 4.Respond to their Environment 5.Grow and Develop 6.Adapt Through Evolution

7. Cells are basic structural units of life. Smallest unit capable of all life functions. Cells are the building blocks of all organisms = living things. http://web.jjay.cuny.edu/~acarpi/NSC/13-cells.htm http://micro.magnet.fsu.edu/cells/plantcell.html

8. Two types of Organisms: Unicellular Organisms Entire organism is made up of one single cell Entire organism is made up of one single cell Bacteria and protists Bacteria and protists http://blogs.discovermagazine.com/loom/2010/03/04/i-for-one-welcome-our-microbial-overlords / http://www.lanesville.k12.in.us/lcsyellowpages/tickit/carl/bacteria.html

9. UniCellular

10. Multicellular Organisms The organism is made up of many cells The organism is made up of many cells Cells have specialized functions within the organism Cells have specialized functions within the organism Epithelial cells (like inside your cheek) http://www2.sunysuffolk.edu/pickenc/BY30%20Histology.htm

11. MultiCellular

12. Reproduction is the process of producing new organisms of the same type. Asexual Reproduction One parent organism reproducing by itself One parent organism reproducing by itself Sexual Reproduction Two different parent organisms contribute genetic information Two different parent organisms contribute genetic information Involves the combination of male and female sex cells Involves the combination of male and female sex cells

13. Asexual

14. Sexual: a new genetic combination

15. Living organisms need energy to grow, develop, repair damage, and reproduce

16. Anabolism The process of building up complex substances from simpler substances Building up cells and cellular components Photosynthesis http://www.fourcroy.org/biology/chapters/05photoresp/02.html

17. Catabolism The process of breaking down complex substances into simpler substances to release energy Digestion Cellular Respiration Cellular Respiration

18. 3. All Living Things Obtain and Use Energy Metabolism: the sum total of all the chemical reactions in your body Anabolism + Catabolism = Metabolism!!! http://manet.illinois.edu/pathways.php

19. Organisms react to stimuli: Light Light Temperature Temperature Odor Odor Sound Sound Gravity Gravity Heat Heat Water Water Pressure Pressure An example is a plant’s leaves and stems growing toward light

20. A stable state of conditions in the body that are necessary for life Body temperature Body temperature Blood volume Blood volume pH balance pH balance Water balance Water balance

21. Stable Interior

22. Even though exterior conditions are changing

23. Growth means to get bigger in size

24. Development involves a change in the physical form or make-up of an organism Example: Frog metamorphosis A frog begins as a single cell in a fertilized egg, then grows into a tadpole, and eventually into a fully grown frog. http://www.dec.ny.gov/pubs/32885.html

25. Development

26. Adaptation A process that enables organisms to become better suited to their environment A process that enables organisms to become better suited to their environment Species obtain adaptations through evolution over great periods of time Species obtain adaptations through evolution over great periods of time http://evolution.berkeley.edu/evolibrary/article/evo_51

27. An Example of Adaptation Desert plants have succulent waxy leaves and stems to store water and reduce water loss

28. http://www.firstschoolyears.com/science/resources/games/ourselves/living/living.htmhttp://www.firstschoolyears.com/science/resources/games/ourselves/living/living.htm (sorting) http://www.teachersdomain.org/resource/tdc02.sci.life.colt.alive// http://www.youtube.com/watch?v=OvMBJZLEwFs&feature=relatedhttp://www.youtube.com/watch?v=OvMBJZLEwFs&feature=related (movie)