2. Any interactives on this page can only be played while you are visiting our website. understand the potential impact of the removal or reduction of one species on the rest of the food web. Then display the Marine Ecological Pyramid and ask the same question. As homework or an independent project, have students research a different marine ecosystem and construct a food web or food pyramid to represent that ecosystem. 2. Assign each pair an organism, and have them use the mangrove and coral reef ecosystem illustrations in the Marine Ecosystems gallery for reference. Identify producers and consumers from four marine ecosystems. © 1996 - 2020 National Geographic Society. This activity will be performed after the PowerPoint presentation that is provided with narrative. Energy and living things 14. understand the difference between a food chain and a food web, understand that food webs are made up of producers, consumers and decomposers, build and revise their own food web to show the interdependence of organisms in an ecosystem. They make their own organic matter from nutrients, CO2, and light (photosynthesis). This activity was adapted from the 4-H Shooting Sports Program. marine, etc.) Build a food web--a complex model that shows how various food chains in an ecosystem are connected--using this interactive game adapted from the Bigelow Laboratory for Ocean Sciences. .ng-c-sponsor-logo { Lead students to observe the differences between the two graphics. If there are more students in the class than species, duplicate lower level species (there are generally more plants, insects, fungi, bacteria, and small animals in an ecosystem than large animals). Distribute a copy of the Marine Organism Notetaking worksheet. Students use marine examples to learn about energy transfer through food chains and food webs. Endangered species are assigned only one card each. Activity: Build a marine food web ACTIVITY: Build a marine food web Activity idea In this activity, students build their own food web using images of organisms from the marine ecosystem. In most ecosystems, organisms can get food and energy from more than one source, and may have more than one predator. Here's How . This activity can be done indoors on paper or outdoors on a tarmac surface using chalk. Also called a food cycle. 3) Have students follow the instructions on the Student Page “Living and Eating on the Web” to create one or more marine food chains (15 minutes). They discuss how food webs can illustrate the health and resilience of an ecosystem. In particular, we need information on the food web structures of our marine ecosystems in order to better understand the effects on the ecos… San Diego Natural History Museum: Ocean Oasis Field Guide. After all the cards are correctly placed on the display, have students connect interdependent species (predator-prey relationships) using string or thread. The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. Food pyramids and food webs are used to represent these relationships and show how energy and food (biomass) is transferred and lost between trophic levels. Life Science B. The completed diagram reveals how energy flows through an Antarctic ecosystem and the relationships … Learn about the transfer of energy as well. Every living thing in the ocean depends on energy. (Arrows represent the flow of energy and biomass between trophic levels.) Text on this page is printable and can be used according to our Terms of Service. Four of the stations are considered input stations where students are learning new information about food webs, and four of the stations are output stations where students will be demonstrating their mastery of the input stations. 4. During the class discussion the teacher should prompt students to talk about the amount of energy that is lost between trophic levels using their organisms as examples. Construct a food chain or web from a marine ecosystem. one of three positions on the food chain: autotrophs (first), herbivores (second), and carnivores and omnivores (third). This unit involves 3 brief PowerPoint lectures, 1 computer lab for independent research (but materials are provided to substitute this for non-computer-based work), 3 dry labs including food-web construction activities (both drawn and using visual aids), analysis and explanation of figures from scientific literature, and various share-out type activities performed by small student groups. In this activity, students build their own food web using images of organisms from the marine ecosystem. For example, the 1st level forms the base of the pyramid and is made up of producers. Also called an autotroph. When an imbalance occurs, every organism in the food web suffers. organisms play in the food web and thus the ecosystem. In the Marine Pyramids gallery, display the Marine Food Pyramid. Ask volunteers to come to the front of the room and draw a pyramid and a web. This activity can be done indoors on paper or … Then answer the questions. 15. Make sure to draw arrows to show the movement of energy. As all marine food webs have al-ready been adversely affected by humans, a judgement will need to be reached by Member Privacy Notice |  Animals draw the energy needed for survival from their food. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. Special thanks to the educators who participated in National Geographic's 2010-2011 National Teacher Leadership Academy (NTLA), for testing activities in their classrooms and informing the content for all of the Ocean: Marine Ecology, Human Impacts, and Conservation resources. Tell students that they will build their own marine food web for two interrelated ecosystems: mangroves and coral reefs. Top ocean predators include … animal that is hunted and eaten by other animals. For information on user permissions, please read our Terms of Service. Students explore major marine ecosystems by locating them on maps. Some of the worksheets for this concept are The marine food web, Learning work fifth grade, Lesson 2 build your own ocean food web, 5 ovr l lesson 1 understanding food chains and food webs, Food chains and food webs, Food webs and food chains work, Unit fish ecology, Food web. This activity can be done indoors on paper or outdoors on a … Interpreting a Marine Food Web This vividly laid-out marine-food-web diagram shows the interdependence of animals in an aquatic ecosystem. Players must position the names of producers and consumers in the correct places in a diagram. Ask: Based on this food pyramid, do you think there are more top predators (gray reef sharks, bluefin tuna) than producers (phytoplankton, seagrass, algae)? Students investigate marine food webs and trophic levels, research one marine organism, and fit their organisms together in a class-created food web showing a balanced marine ecosystem. Be sure to point out the role of decomposers and provide examples. Marine ecosystems contain a diverse array of living organisms and abiotic processes. . c Write a food chain from this food web with six trophic levels. Code of Ethics. e Name the animals that eat the small fish. After checking the worksheets for completion and accuracy, give each student pair an index card to illustrate its organism and record the following information: If time is limited, let students print images of their organisms rather than drawing them. Food chains are often represented as food pyramids so that the different trophic levels and the amount of energy and biomass they contain can be compared. She or he will best know the preferred format. 5. They will also research the ecology of a number of marine animals from the information sheets provided. Cut- out each organism and create a food web with the organisms present in your ecosystem. 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