Food Webs and Chains- Using the Assure Model Presenters: Bunantie Cain Alecia Harris Date: May 3, Course: Educational Technology Facilitators: Mrs. Jack Ms. Williams
Objectives Define food chain and Web Identify the different organisms found in a food chain and web Construct a food chain and web and present construction either by a PowerPoint Presentation, Movie using Windows Maker, or by using Google Drive
Instructions Type the following into your URL: Then go to the section on food chains and web Then click on lecture notes
Food Chain is a linear sequence of how energy is passed from one organism to the next within an ecosystem.
Composition of a food chain
Food Web An interconnected food chain Based on a what eat what principle This is what truly exists in any ecosystem No one organism can be sustained by just only one other organism
Food Web
Assignment one Go to the video section of the website under the column “Introduction” Watch the first video “ food chain” and then watch the second video on food web Form three groups of five and then define a food chain and web
Organisms in a food chain and Web Producers- makes their own food Consumers- do not make their own food, but consume foods that have already been made Different types of consumers: Carnivore- eats only other animals Omnivores- eats both plants and animals Decomposers- feeds on dead and decaying matter - Primary consumer/ herbivore- eats only plants alone - Secondary consumer/ carnivore- eats only animals - tertiary consumer- feeds on the secondary consumers
Feeding Relationships within a food Chain/ Web There are many different types of feeding relation that exist within any ecosystem One such relationship is- Predator / Prey Predator- stalks and hunts and another organism for its food. Predators are normally top carnivores Prey- is hunted by the predator
Assignment two- 2 Please go to the column “more” on the home page of the website Then select and follow the instructions given under assignment # 2
Assignment three - 3 Go to the slide show panel under introduction column of the website and view the slide show that is posted. Then go to assignment number three and complete the task given. You must complete the task given with one of the organisms presented within the slide show
Evaluation Go to the Blog section and write what you think of the presentation, as well as, the learning experience.
Use of the Assure Model Please visit the “ notes” section on the website to see how this model was in cooperated within the lesson.
Conclusion Summary A food chain is a linear sequence of how energy is passed on from on organism to the next in a food chain A food web is an interconnected food chain Types of organisms found in a food chain and web are: Producers Consumers : -Primary consumers/ herbivores -Secondary consumers -Tertiary consumers -Decomposers -Predator -Prey