Ecosystems
 Learn about the basic elements of Ecosystems by
watching the video or completing the activities at
yTeach. If the link only goes to the main page, copy and paste the following into your URL:
http://www.yteach.com/page.php/resources/view_all?id=biocenosis_biome_biotope_consumer_decomposer_ecology_ecosystem_environment_herbivory_autotroph_chemoau
totroph_heat_decomposer_predator_energy_photoautotroph_photosynthesis_matter_individual_population_herbivore&from=search
 On the website, go to the bottom right hand side of the
screen and click on the elephants for a short
introduction video.
 Once the video is complete, click the arrow at the
bottom of the screen to continue.
How do humans survive in
different ecosystems?
 Learn about the balance between man and microbe at
Bio Bulletin’s Tipping the Scale.
 Go indepth on the different types of microbes at the
Microbe Zoo.
How do changes in an ecosystem
change the organisms living in and
around it?
 Research the Aral Sea using the links at the bottom of
the page provided by National Geographic.
 Why is the lake endangered?
 What do you believe will happen to the animals and
the people living in and around the lake over time?
 Is this occurring in other parts of the world?
Changes in Ecosystems
 What happens when a new species is introduced to an
ecosystem?
 Find out by listening to the podcast from Science
NetLinks.
Sources
 Aral Sea: What’s Happening to Whom? 2008 National Geographic Society.
http://www.nationalgeographic.com/xpeditions/lessons/14/g912/whom.html
 Earthworm Invaders, 2008, Science Net Links.
http://www.sciencenetlinks.com/sci_update.cfm?DocID=53
 Ecosystem, 2008, UNIVERSAL Curriculum & yTeachSys.
http://www.yteach.co.uk/index.php/search/results?curr_id=1
 Microbe Zoo, Digital Learning Center for Microbial Biology.
http://commtechlab.msu.edu/sites/dlc-me/zoo/
 Tipping the Scale, 2008, Bio Bulletin.
http://www.amnh.org/sciencebulletins/biobulletin/biobulletin/story996.html
CSO’s
Biology
 SC.O.B.2.21
characterize interrelationships of organisms within an
ecosystem (e.g., symbiosis, competition, predation,
mutualism, parasitism, commensalism).