Food webs
This presentation is the property of its rightful owner.
Sponsored Links
1 / 7

Food Webs: PowerPoint PPT Presentation


  • 82 Views
  • Uploaded on
  • Presentation posted in: General

Food Webs:. Showing energy transfer among organisms (biosphere!). http://images.tutorvista.com/content/ecosystem/food-web-terrestrial-aquatic-ecosystem.jpeg. Organisms & Energy:. Required for life processes Sources: Sun & other organisms.

Download Presentation

Food Webs:

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Food webs

Food Webs:

Showing energy transfer among organisms (biosphere!)

http://images.tutorvista.com/content/ecosystem/food-web-terrestrial-aquatic-ecosystem.jpeg


Organisms energy

Organisms & Energy:

  • Required for life processes

  • Sources: Sun & other organisms

http://www.citruscollege.edu/lc/archive/biology/PublishingImages/c05_02.jpg


Law of conservation of matter

Matter is neither created nor destroyed, only transformed from one form to another

Law of Conservation of Matter:

http://chemistry4gcms2011.wikispaces.com/file/view/Screen_shot_2011-02-14_at_7.26.42_PM.png/201768720/Screen_shot_2011-02-14_at_7.26.42_PM.png


Law of conservation of energy 1 st law of thermodynamics

Law of Conservation of Energy:(1st Law of Thermodynamics)

  • Energy is neither created nor destroyed, only transformed from one form to another

http://www.swiftutors.com/science/images/conservation-of-energy.png


2 nd law of thermodynamics

2nd Law of Thermodynamics:

  • When energy is changed from one form to another, some of it is lost to the surrounding environment.

  • Energy transfer is not 100% efficient.

http://images.tutorvista.com/content/ecosystem/progressive-energy-loss.jpeg


Food web requirements

http://blog.thegreenplate.org/wp-content/uploads/2010/09/SoilNG.jpg

http://www.sheppardsoftware.com/content/animals/kidscorner/images/foodchain/fullchain.gif

Food Web Requirements:

  • Original energy source (SUN!)

  • Producers

  • Consumers

  • Decomposers

  • Soil (or water for aquatic)

  • Arrows – showing energy flow

  • Layered by trophic level

http://bio1151.nicerweb.com/Locked/media/ch31/31_18cShelfFungi-L.jpg

http://www.vtaide.com/png/foodweb/desert-sm.jpg

http://idahoptv.org/dialogue4kids/images/season11/food_chain/plant.gif

http://www.bostonbakesforbreastcancer.org/wp-content/uploads/2012/03/sun.jpg

http://www.wired.com/images_blogs/wiredscience/images/2007/12/20/prettycow_2.jpg


  • Login