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Select four cards to create a food chain, starting with a producer. Label the trophic level of each organism in your food chain as follows: producer, primary consumer, secondary consumer, tertiary consumer. Record your food chain in the space below using species names and arrows.
LABEL THE FOOD WEB. Label each organism based on its position in the food web: = Producer, 1 = Primary Consumer, 2 = Secondary Consumer, 3 = Tertiary Consumer, 2) Then label each animal as: H = Herbivore, C = Carnivore or O = Omnivore. D = Decomposer (Some may have more than one label.) Oak Tree. Squirrel.
Ecological Pyramids Worksheet 1. Give one example of a food chain that exists in nature. 2. In an ecological pyramid, what happens to energy, biomass and # of species as you move up? Why? 3. What is biomass? 4. In an ecosystem, can there be more carnivores than herbivores? Explain why or why not? 5. What is the 10% rule? What is its significance?
Worksheet: Food Webs. In this worksheet, we will practice interpreting the interdependent relationships of organisms in ecosystems using food webs. Q1: Each link of the food chain is named according to what the organism eats and how it contributes to the energy of the ecosystem.
Food web – a series of food chains showing feeding relationships. Ecosystem – living organisms interacting with non-living things in a particular area.
The food chain, food web, and energy pyramid are all models that show feeding relationships and allow us to make predictions. Compare and contrast the strengths and weaknesses of each model by filling in the table below.
Pre-trip lesson worksheet Refresh Your Memory: Food Chains and Food Webs 1. Take a dish containing animal ingredients you just ate as an example to complete a food chain. (If you are a vegetarian, you can invite your classmates to provide you with a dish) Example ① Dish: Beef and choy sum stir-fry ② The animal I ate: Cows
