1. Identify one food chain: Terrestrial Food Web 2. Place a circle around the autotroph. 3. Place a triangle around the herbivores. Foxes Owls Birds 4. Place a square around the omnivores. Rabbits Mice Grasshoppers 5. Place a diamond around the carnivores. 6. Identify two predator-prey Carrots Grasses Grains relationships:

1. Identify one food chain: Terrestrial Food Web 2. Place a circle around the autotroph. 3. Place a triangle around the herbivores. Foxes Owls Birds 4. Place a square around the omnivores. Rabbits Mice Grasshoppers 5. Place a diamond around the carnivores. 6. Identify two predator-prey Carrots Grasses Grains relationships:

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter53: Population Interactions And Community Ecology

Section: Chapter Questions

Problem 1TYK

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TejaTscharntke’s studies of the food web associated with Phragmites reeds revealedthat:a.only a single parasitoid species can persist exploiting a single speciesof herbivore.b.only a single herbivore species can persist attacking a single speciesof plant.c.predation by birds actually protects herbivores, because the birds feedon parasitoid-infested herbivore galls but not uninfested galls.d.within local food webs, all interactions tend to be of roughly the samestrength.e.recognizing variation in interaction strength can greatly simplify thedepiction of a food web.
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