川农家畜生态学作业及答案.doc

Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to ecological lay based, and industry increased income, and live upgrade civilization, and culture rich connotation of thought, caught built beautiful village, and whole village advance, and easily relocation, and five modified three built, project near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings. In the case of rigid spending slowing revenue growth, increase, financial 75% to the peoples livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named top School of vocational education in China, the third batch of national reform and development model through provincial . Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a川农家畜生态学（本科）在线作业及答案一、单选题（共20道试题，共100分。）V 1.在生态系统中，蛙属于（ ）。 A. 生产者B. 一级消费者C. 二级消费者D. 三级消费者满分：5分2.家畜适应性指标应以（ ）为主。 A. 生化指标B. 生理指标C. 生产力指标D. 综合指标满分：5分3.关于家畜采食特点，错误的是（ ）。 A. 牛总是喜食茂盛浓密的牧草B. 羊善食矮短的牧草C. 猪能拱取泥土下的食物D. 羊喜食茂盛浓密的牧草满分：5分4.我国南方和北方相比，在畜产品产量上略占优势的是（ ）。 A. 奶类B. 肉类C. 绵羊毛D. 山羊毛、绒满分：5分5.大气层的第二层是（ ）。 A. 平流层B. 对流层C. 中间层D. 热成层满分：5分6.下列指标一般为常数的是（ ）。 A. 实际出生率B. 种群的死亡率C. 种群的生理寿命D. 生态寿命满分：5分7.红外线照射过度可引起家畜发生（ ）。 A. 热射病B. 皮肤炎C. 皮肤癌D. 色素沉着满分：5分8.不利于群体遗传稳态维持的因素为（ ）。 A. 突变B. 异质选配C. 多态性D. 近交满分：5分9.生态农业区别于其他农业的最大特点是（ ）。 A. 禁止“不可再生资源”的投入B. 追求整体效益C. 追求自然生态系统的恢复D. 与传统农业完全不同满分：5分10.只呈金字塔形的生态锥体是（ ）。 A. 数量锥体B. 生物量锥体C. 能量锥体D. 都不一定满分：5分11.动物适应性反应中，不属于缓慢反应的是（ ）反应。 A. 代谢B. 酶C. 内分泌D. 心血管满分：5分12.原生演替和次生演替的速度相比，（ ）。 A. 原生演替快B. 次生演替快C. 两者一样快D. 无法比较满分：5分13.在解释种群增长与密度关系问题中，外因说包括（ ）。 A. 气候学派和行为调节学说B. 气候学派和生物学派C. 生物学派和遗传学说D. 遗传学说和行为调节学说满分：5分14.种群间的关系不包括（ ）关系。 A. 寄生B. 捕食C. 群体D. 竞争满分：5分15.种群数量变动的影响因素从种内来看主要是（ ）。 A. 疾病B. 气温C. 迁移D. 水源满分：5分16.动物处于等热区时，（ ）维持体温恒定。 A. 依靠物理调节B. 依靠化学调节C. 依靠物理和化学调节D. 不需要任何调节即可满分：5分17.根据威尔逊法则，下列说法正确的是（ ）。 A. 动物的粗毛量与温度呈正比B. 动物的绒毛量与温度呈正比C. 动物的粗毛量与湿度呈正比D. 动物的绒毛量与湿度呈正比满分：5分18.在历史上不曾存在的生态农业的提法是（ ）。 A. 有机农业B. 再生农业C. 自然农业D. 生物农业满分：5分19.在生态系统中，属于生产者的是（ ）。 A. 浮萍B. 人