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You will listen to part of a lecture and answer a question about it. After you hear the question, you will have 20 seconds to pr
You will listen to part of a lecture and answer a question about it. After you hear the question, you will have 20 seconds to pr
admin
2022-05-28
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问题
You will listen to part of a lecture and answer a question about it. After you hear the question, you will have 20 seconds to prepare a response and 60 seconds to record the response.
Now listen to part of a lecture in an animal science class.
Using the two examples from the lecture, explain how social cooperation can benefit animal species.
Now listen to part of a lecture in an animal science class.
We’ve been talking about social cooperation in animals—the way animals interact with each other, and how they cooperate socially. Now, we can see this at work in terms of how animals feed. Cooperation benefits their feeding behavior. In certain species of animals, social cooperation enables the animals to feed more efficiently or effectively than they would be able to if each animal were acting alone. Take deer for example. Deer feed in groups. Feeding is a social behavior for deer. By feeding in a group, deer can eat more productively. Why? Well, one deer eating alone has to remain constantly alert for attack by predators. Watching out for like, mountain lions or bears. This slows down feeding. Deer can’t feed as well if it keeps looking around for predators while it’s eating. But eating in a group is more efficient; there’s better protection from enemies. The deer take turns watching out for predators. Some are watching while the rest of the herd are eating, and then different deer take a turn watching and so, the group of deer can concentrate more on eating. Their feeding is more successful because of cooperation.
Now, social cooperation also helps honeybees. Honeybees are very social animals. They live together in their hives, but for them, social cooperation means transferring key information about where food can be found. Say a honeybee is out looking for food and finds a good source of nectar, the food it obtains from flowers. Well, that bee will return to the hive and share information about the location of the food source with the other bees. How? By doing a special dance. Really the dance is just a series of repetitive body movements that tells the other bees the direction of the nectar and its distance from the hive, so through social cooperation, in this case, by sharing information, all the members of the hive benefit from the one bee’s discovery and the group as a whole finds food and eats more effectively.
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答案
Social cooperation in animals benefit their feeding behavior. It enables animals to feed more efficiently and effectively. For example, deer feed more productively in groups than alone. When eating alone, a deer needs to be continuously cautious of predators. But when eating together, deer will take turns to be the lookout. So, the rest of the group can feed without worries. Another type of animal that benefits from social cooperation is honeybees. Social cooperation allows them to transfer key information more efficiently. When a honeybee finds a source of nectar, it delivers the location of the food to the whole family by dancing in a specific manner. Thus, the whole group can get useful information from the discovery of one member.
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