Question

select the linking verb and the predicate noun or predicate adjective.
orcas are effective predators as a result of their cooperative and creative hunting strategies.
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Explanation:

A linking verb connects the subject to a word that describes or identifies it. In the sentence, "are" is the linking verb. A predicate noun or adjective follows the linking verb and describes/identifies the subject. Here, "effective predators" includes the adjective "effective" and the noun "predators" (predicate noun phrase, with "effective" as predicate adjective part and "predators" as predicate noun part, but the main predicate noun - related here is "predators" with "effective" modifying. However, for the linking verb: "are", predicate adjective: "effective", predicate noun: "predators" (but the task is to select linking verb and predicate noun or adjective. So linking verb is "are", predicate adjective is "effective", predicate noun is "predators". But in the sentence, the predicate part after "are" is "effective predators" where "effective" is an adjective (predicate adjective) and "predators" is a noun (predicate noun). But the question says "select the linking verb and the predicate noun or predicate adjective" - so linking verb: are; predicate adjective: effective; predicate noun: predators. But likely the linking verb is "are", and the predicate noun or adjective: "effective" (adjective) and "predators" (noun). But the sentence structure: subject "Orcas", linking verb "are", then "effective predators" (predicate adjective "effective" and predicate noun "predators"). So the linking verb is "are", and the predicate adjective is "effective", predicate noun is "predators". But the task is to select them. So linking verb: are; predicate adjective: effective; predicate noun: predators. But maybe the answer expects linking verb "are" and predicate noun "predators" (with "effective" as adjective modifying). So summarizing: linking verb is "are", predicate adjective is "effective", predicate noun is "predators". But the question says "select the linking verb and the predicate noun or predicate adjective" - so likely linking verb: are; predicate adjective: effective; predicate noun: predators. But perhaps the answer is linking verb "are" and predicate noun "predators" (with "effective" as adjective). Alternatively, the predicate part is "effective predators" where "effective" is adjective (predicate adjective) and "predators" is noun (predicate noun). So the linking verb is "are", and the predicate adjective is "effective", predicate noun is "predators".

Answer:

Linking verb: are; Predicate adjective: effective; Predicate noun: predators