Unit 7: Ecology


Populations:




  • Complete the question sheet as you watch this introductory video on ecosystems.



http://www.youtube.com/watch?v=Ot_KmOTYfRA&list=PLFCE4D99C4124A27A&index=57

  • Time is running out! Take notes for this powerpoint on Chapter 53 for homework. We will use class time to complete some activities.


  • Watch this video on exponential growth.



  • And here is the video on logistic growth!



  • Below is a link to a tutorial on population growth problems.


http://ats.doit.wisc.edu/biology/ec/pd/pd.htm

  • What is a kite graph?


Kite diagrams are typically used to show the percentage cover of plant or animal species over a distance of an environment. They are similar to line graphs, except that each line is represented horizontally and does not overlap with the others.
external image kite.gif

Communities

  • Below is a powerpoint on Chapter 54. Use it to take notes and study.


  • How can tree roots act as a thermostat and control global temperatures? A great example of homeostasis at the ecosystem level!

http://www.sciencedaily.com/releases/2014/02/140205210436.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily+%28Latest+Science+News+--+ScienceDaily%29







Ecosystems