What does the passage mainly discuss?

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Observations that suggest consciousness in animal behavior.

The use of food in studies of animal behavior.

The role of instinct in animal behavior.

Differencesbetweenthebehaviorofanimalsintheirnaturalenvironments and in laboratory experiments.

Giải thích

Chọn đáp án A

Giải thích: Đoạn văn chủ yếu đề cập đến những quan sát mà từ đó cho thấy ý thức trong hành vi cảu động vật. Thông tin nằm ở:

“Some animal behaviorists argue that certain animals can remember past events,”

“Explanations of animal behavior that leave out any sort of consciousness at all”

“Other behaviors that may indicate some cognition include tool use. Many animals, like the otter who uses a stone to crack mussel shells, are capable of using objects in the natural environment as rudimentary tools.”