Science Assessment ~ Topics ~ Interdependence in Ecosystems ~ Misconception IEM061

Changes in a population in a food web do not affect the populations of any other organism in the food web (AAAS Project 2061, n.d.).

Items that test for misconception IEM061 in this project (Original Project) and key idea (All organisms, both land-based and …)
Item ID Number	Item Description	How Often the Misconception was Chosen
IE019014	Changes in a population may affect populations that are not directly connected by a feeding relationship even if they are several steps away in a food web (pond ecosystem).	16%
IE019015	Changes in a population (fish in a pond) may affect populations that are not directly connected by a feeding relationship (insects) even if they are several steps away in a food web.	15%
IE019016	Changes in a population in a food web (large fish) can affect the population of its prey (tadpoles).	9%
IE031007	Changes in a population of organisms in a food web (worms) can affect other populations of organisms (foxes) even if they are not directly connected in a feeding relationship.	9%
IE031006	Changes in a population in a food web can affect other populations of organisms even if they are not directly connected in a feeding relationship (no specific organisms identified).	9%
IE025005	Changes in a population may affect populations that are not directly connected by a feeding relationship even if they are several steps away in a food web (no specific organisms identified).	6%
IE025004	Changes in a population may affect populations that are not directly connected by a feeding relationship even if they are several steps away in a food web (woodland ecosystem).	6%
IE029005	Changes in a population in a food web can affect the population of its predator (no specific organisms identified).	6%
IE029006	Changes in a population of organisms in a food web (worms) can affect the population of its predator (robins).	5%