关键句 One of the major reasons for gorillas becoming an "endangered" species is an ever increasing threat to their natural habitat. (第二段第一句) 释义]大猩猩成为“濒危”物种的主要原因之一是它们的自然 栖息地受到了不断变大的威胁。 「解析]根据关键句可知,这里要介绍的是大猩猩 危的原因, 可见...
To explore the reasons why certain species are endangered and identify the various threats they face.相关知识点: 试题来源: 解析 栖息地破坏、过度开发、气候变化、污染、入侵物种、疾病、非法贸易 1. **栖息地破坏**:人类活动如城市化、农业扩张、森林砍伐导致物种失去生存环境。 2. **过度开发**:过度...
hereasonsforendangeredanimals Duringthispastcentury,manyspecieshaddisappearedfromtheearth.Thereisnodoubtthatearthiscurrentlyfacedwithamountinglossofspeciesthatthreatenstoecosystems.Aslongagoas1993,HarvardbiologistE.OWilsonestimatedthatearthiscurrentlylosingsomethingontheorderof30000speciesperyear—whichbreaksdowntotheeven...
Image Credit: onthegotours.com Selective Mating | Why are Pandas Endangered Pandas are very choosy about their mates. The females are only receptive for a few days. During this time, if she is unable to find any willing mate then the reproductive opportunity is certainly lost. These animals r...
(1992) Response to: ‘Six biological reasons why the endangered species act doesn’t work and what to do about it. Conservation Biology 6: pp. 140-143O'Connell, M. 1992. "Response to: `Six biological reasons why the Endangered Species Act doesn't work and what to do about it.'" ...
There are many reasons why animal species become endangered, but most of them have something to do with (1)___ activities. /laɪkəʊl ɪs'trəʊnɪz/ (栖息地破坏) is one of the main reasons. When people move into a new area (地区), they cut down trees and (4)__...
There are many reasons why animal species become endangered, but most of them have something to do with (3)___ activities. Habita destruction (栖息地破坏) is one of the main reasons. When people move into a new area (地区), they cut down trees and (4)___ houses and farms. As a ...
Scientists are concerned as to why are tigers endangered and what steps should be taken in order to prevent remaining species from disappearing once and for all.
and classified it as an endangered species for the first time. This means that if we continue to deny global warming,polar bearsmay not exist by the upcoming few decades. Scientists are now becoming more concerned than ever as thepopulation of polar bearsfaced extinction in less than 70 years...
while on land sunbathers bask in the seclusion of cool cabanas. But Samal’s most worthwhile visit is theGiant Clam Sanctuary, a marine project site for the endangered species, which sit in rows in an underwater garden with a depth of 4.5 metres...