The arrows in a food chain or web represents what: They show the direction the energy is flowing between organisms.. What does a food web represent: All connections of energy flow throughout all organisms in a habitat.. A wolf eats a rabbit, that just ate some berries. What would you call the rabbit: Primary Consumer. What is indicated by the diagram: Food web. Autotrophs are organisms that produce their own food. Which do scientist classify as autotrophs: Plants. In the food web above, what organism is a tertiary consumer: Fox. What term describes the position of an organism on the food chain: trophic levels. In this food chain, what will happen if the frogs become extinct: The grasshoppers will increase.. In the energy pyramid here, which organisms have the most energy available: Producers. In the energy pyramid below, which organism has the least amount of energy available: Top Predator. If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2: 100 Kcal. The diagram represents a pyramid of energy in an ecosystem. Which level would most likely contain members of the plant kingdom: D. The largest group of organisms found in a food web would be:: Producers. The number of organisms at the top of the energy pyramid are usually smaller because the hawk: needs more energy. In a food web the arrow always points to: the consumer. How much energy is available to be passed on to the next level in a food web: 10%. If only 10% of the energy in the pyramid is available as you move from one trophic level to the next, what happens to the other 90%: Metabolized and "lost" as heat energy and waste. If the average Bluefin Tun weighs 20 pounds, how many pounds of secondary consumers are needed in the third trophic level to support it: 200 pounds
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