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Both adult ducks and adult geese protecting their nesting young will sometimes use a strategy that consists of staying in the nest and using loud vocalizations to frighten predators away. However, in attempting to draw predators away from the nest, ducks use a slightly different strategy than geese use. For ducks, the strategy consists of feigning injury and flying awkwardly away from the area where predators can threaten the nest. This makes the ducks appear to be easy prey, though the predators have very little chance of catching the uninjured ducks. For geese, the strategy consists merely of flying out of the area where predators can threaten the nest. Because the geese do not feign injury, they are less likely than the ducks to induce predators to follow.
Statement: While employing their respective strategies of flying away from the nest, both an adult duck and an adult goose are sacrificing the opportunity to use the strategy of 1, though the duck, by feigning injury, is more likely to be successful at 2. Select for 1 and for 2 the options that complete the statement so that it is most strongly supported by the information provided. Make only two selections, one in each column.
1
2
preventing predators from threatening the nest
using vocalizations from within the nest to frighten predators
hiding from predators
avoiding being caught by predators
causing injury to predators
threatening the nest
| Passage Statement | Analysis & Implications |
| "Both adult ducks and adult geese protecting their nesting young will sometimes use a strategy that consists of staying in the nest and using loud vocalizations to frighten predators away." |
|
| "However, in attempting to draw predators away from the nest, ducks use a slightly different strategy than geese use." |
|
| "For ducks, the strategy consists of feigning injury and flying awkwardly away from the area where predators can threaten the nest." |
|
| "This makes the ducks appear to be easy prey, though the predators have very little chance of catching the uninjured ducks." |
|
| "For geese, the strategy consists merely of flying out of the area where predators can threaten the nest." |
|
| "Because the geese do not feign injury, they are less likely than the ducks to induce predators to follow." |
|
The question asks us to complete:
"While employing their respective strategies of flying away from the nest, both an adult duck and an adult goose are sacrificing the opportunity to use the strategy of [Part 1], though the duck, by feigning injury, is more likely to be successful at [Part 2]."
Part 1 Focus: What opportunity are both species giving up when they fly away?
Part 2 Focus: What is the duck more successful at due to feigning injury?
Part 1: "using vocalizations from within the nest to frighten predators"
Part 2: "preventing predators from threatening the nest"
Let's check if our complete statement makes sense:
"While employing their respective strategies of flying away from the nest, both an adult duck and an adult goose are sacrificing the opportunity to use the strategy of using vocalizations from within the nest to frighten predators, though the duck, by feigning injury, is more likely to be successful at preventing predators from threatening the nest."