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Follow the link to read the passage, and then answer the question. The link opens in the same window.
According to paragraph six, what do the authors believe about the interaction of killer whales and humpback whales?
The killer whale's aggressive behavior caused the humpback whales to protect smaller animals under attack.
Humpback whales are aggressive to killer whales because they like to test the pod strength.
Both whales are carnivorous and were thus fighting over a potential meal.
It is the expected cycle of behavior for both a killer whale pod and a small group of humpback whales.