Kin selection also applies to competition, because if family members compete less with each other, the group will do better overall. “Everywhere you look, plants are growing right up next to other plants，” Dudley said，“ Usually it’s a case of each plant for itself. But sometimes those plants are related, and there are benefits to not wasting resources on being competitive, and there is not really a cost to not being competitive as long as your neighbor is also not being competitive.”

　　Learning and memory appear to be important for kin recognition in animals, but this isn’t an option for plants, she noted.

　　Some researchers speculate(猜测) that plants communicate through their roots, identifying themselves using tiny chemical signatures specific to each plant’s family.

　　()6.What’s the main idea of the message?

　　A．Studies find plants can recognize, communicate with relatives.

　　B．Kin selection is important for plants.

　　C．Animals can recognize and memorize their relatives.

　　D．Competition asks plants to recognize their relatives.

　　()7.Which of the following is NOT right about animals’ social skill?

　　A．Animals can recognize and memorize their relatives.

　　B．Animals’ social skill is to cooperate and share resources.

　　C．Animals’ social skill can recognize close relatives in order to work together.

【福建省泉州市2014高考英语文章突破一轮训练（21）及答案】相关文章：

★ 江苏省扬州市2014高考英语一轮 阅读理解暑假练习题（10）

★ （全国通用）2014届高考英语一轮单元复习 限时强化训练三

★ 2017届高考英语二轮复习课时训练：11（含解析）

★ 四川省广安市2014高考英语一轮基础训练题（10）及答案

★ 浙江省湖州市2014高考英语阅读理解一轮（暑假）精炼（1）含答案

★ 福建省泉州市2014高考英语文章突破一轮训练（6）及答案

★ 四川省广安市2014高考英语一轮基础训练题（11）及答案

★ 2014届高考英语一轮复习必修4参考答案（外研版）

★ 辽宁省辽阳市2014高考英语单项选择一轮（暑假）训练（13）附答案

★ 2017高考四川省广安市英语阅读理解一轮系列训练：9（含解析）