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- At which trophic level do detritivores feed?Indentify the correct food web for each question. Which type of food web cycles materials and moves energy into and out of the community? Grazing Which type of food web is dominant in Central Park's forests and pond? Detrital Which food web includes humans? GrazingThis trophic level includes carnivores that eat herbivores Tertiary consumer Primary consumer Primary producer Secondary consumer
- In terms of trophic levels and energy, why do you suppose that there are not many top predators around?The following is NOT true about trophic levels Animals capable of feeding at many trophic levels will be able to survive if portions of their food supply are decreased or eliminated Secondary consumers belong to the third trophic level Primary consumers belong to the first trophic level Each stage through which energy travels is called a trophic levelWhich of the following terms identifies the amount of energy available at each trophic feeding level
- what trophic level is the thrush in?Consider a trophiccascade with 4 levels: 1) predatory fish that consume planktivorous fish, 2) planktivorous fish that consume zooplankton,3) herbivorous zoplankton that consume phytoplankton, and 4) phytoplankton. True or False: A reduction in predatory fish will increase the level of phytoplankton. True FalseA partial meadow food web is shown. Meadow Food Web Hawk Dragonfly Fox Frog Snake Rabbit Ladybug Mouse Aphid Butterfly Bird Berries Grasshopper Seeds Based on this food web, which organisms are direct sources of energy for secondary consumers? Mouce
- “The pyramid of energy is always upright” states that A)The energy conversion efficiency of herbivores is better than carnivores. B)The energy conversion efficiency of carnivores is better than herbivores C)Producers have the lowest energy conversion efficiency D)Energy conversion efficiency is the same in all trophic levelsUsing the diagram of a food pyramid for reference, estimate the following: a. How many kilograms of plankton does it take to produce 25 kilograms of invertebrates? _____ kilograms of plankton b. How many kilograms of invertebrates does it take to produce 5 kilograms of fish? _____ kilograms of invertebratesA Food Web om Eage Pythan Wolf Rat Dragonfly Thrush Frog Butterfly Fruit Fly Grasshopper Mangoes Corn A Flowering Plant Lavenders Look at the food web above to answer the following questions. 1. Which organisms are the producers in this food web? 2. Which organism is an example of a primary consumer? 3. Which organism is an example of a tertiary consumer?