logging in or signing up Food Web tmalefyt Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 4254 Category: Education License: All Rights Reserved Like it (5) Dislike it (2) Added: October 19, 2009 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: jaidheepo (16 month(s) ago) wow brilliant exellent etra ordinary Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Food Webs : Food Webs Autotrophs : Autotrophs A groups of organisms that can use the energy in sunlight to convert water and carbon dioxide into Glucose (food) Autotrophs are also called Producers because they produce all of the food that heterotrophs use Without autotrophs, there would be no life on this planet Ex. Plants and Algae Autotrophs : Autotrophs Heterotrophs : Heterotrophs Organisms that do not make their own food Another term for Heterotroph is consumer because they consume other organisms in order to live Ex. Rabbits, Deer, Mushrooms Heterotrophs : Heterotrophs Heterotrophs : Heterotrophs Consumers 1. Scavengers/Detritivores – feed on the tissue of dead organisms (both plans and animals) Ex. – Vultures, Crows, and Shrimp Heterotrophs : Heterotrophs Consumers 2. Herbivores – eat ONLY plants Ex. – Cows, Elephants, Giraffes Heterotrophs : Heterotrophs Consumers 3. Carnivores – eat ONLY meat Ex. – Lions, Tigers, Sharks Heterotrophs : Heterotrophs Consumers 4. Omnivores – eat BOTH plants and animals Ex. – Bears and Humans Heterotrophs : Heterotrophs Consumers 5. Decomposers – absorb any dead material and break it down into simple nutrients or fertilizers Ex. – Bacteria and Mushrooms Transfer of Energy : Transfer of Energy When a zebra eats the grass, it does not obtain all of the energy the grass has (much of it is not eaten) When a lion eats a zebra, it does not get all of the energy from the zebra (much of it is lost as heat) Transfer of Energy : Transfer of Energy The two (2) previous examples of energy transfer show that no organism EVER receives all of the energy from the organism they just ate Only 10% of the energy from one organism is transferred to the next – this is called the 10% law Food Chains : Food Chains The energy flow from one organism to the other is know as a food chain A food chain is simple and direct It involves one organism at each trophic level Primary Consumers – eat autotrophs (producers) Secondary Consumers – eat the primary consumers Tertiary Consumers – eat the secondary consumers Decomposers – bacteria and fungi that break down dead organisms and recycle the material back into the environment Food Chain : Food Chain Food Web : Food Web Most organisms eat more the JUST one organism When more organism are involved it is know as a FOOD WEB Food webs are more complex and involve lots of organisms Food Web : Food Web Food Web : Food Web Notice that the direction the arrow points the arrow points in the direction of the energy transfer, NOT “what ate what” Food Web : Food Web You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Food Web tmalefyt Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 4254 Category: Education License: All Rights Reserved Like it (5) Dislike it (2) Added: October 19, 2009 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: jaidheepo (16 month(s) ago) wow brilliant exellent etra ordinary Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Food Webs : Food Webs Autotrophs : Autotrophs A groups of organisms that can use the energy in sunlight to convert water and carbon dioxide into Glucose (food) Autotrophs are also called Producers because they produce all of the food that heterotrophs use Without autotrophs, there would be no life on this planet Ex. Plants and Algae Autotrophs : Autotrophs Heterotrophs : Heterotrophs Organisms that do not make their own food Another term for Heterotroph is consumer because they consume other organisms in order to live Ex. Rabbits, Deer, Mushrooms Heterotrophs : Heterotrophs Heterotrophs : Heterotrophs Consumers 1. Scavengers/Detritivores – feed on the tissue of dead organisms (both plans and animals) Ex. – Vultures, Crows, and Shrimp Heterotrophs : Heterotrophs Consumers 2. Herbivores – eat ONLY plants Ex. – Cows, Elephants, Giraffes Heterotrophs : Heterotrophs Consumers 3. Carnivores – eat ONLY meat Ex. – Lions, Tigers, Sharks Heterotrophs : Heterotrophs Consumers 4. Omnivores – eat BOTH plants and animals Ex. – Bears and Humans Heterotrophs : Heterotrophs Consumers 5. Decomposers – absorb any dead material and break it down into simple nutrients or fertilizers Ex. – Bacteria and Mushrooms Transfer of Energy : Transfer of Energy When a zebra eats the grass, it does not obtain all of the energy the grass has (much of it is not eaten) When a lion eats a zebra, it does not get all of the energy from the zebra (much of it is lost as heat) Transfer of Energy : Transfer of Energy The two (2) previous examples of energy transfer show that no organism EVER receives all of the energy from the organism they just ate Only 10% of the energy from one organism is transferred to the next – this is called the 10% law Food Chains : Food Chains The energy flow from one organism to the other is know as a food chain A food chain is simple and direct It involves one organism at each trophic level Primary Consumers – eat autotrophs (producers) Secondary Consumers – eat the primary consumers Tertiary Consumers – eat the secondary consumers Decomposers – bacteria and fungi that break down dead organisms and recycle the material back into the environment Food Chain : Food Chain Food Web : Food Web Most organisms eat more the JUST one organism When more organism are involved it is know as a FOOD WEB Food webs are more complex and involve lots of organisms Food Web : Food Web Food Web : Food Web Notice that the direction the arrow points the arrow points in the direction of the energy transfer, NOT “what ate what” Food Web : Food Web