species 四级六级考研雅思

Seeing over a thousand species of fish is part of the fascination of the reef.

礁石部分魅力就在于可以看到上千种鱼。

That species disappeared in the Ice Age.

那个物种早在冰河时期就绝迹了。

Habitat loss and fragmentation is the primary cause of population, metapopulation and species extinction worldwide.

生境丧失和破碎化是生物多样性丧失主要原因，并得到了广泛关注。

This behaviour is commonly observed among several species of finch.

这种行为常常可以在几种雀科鸣禽中看到。

This species of bird now exists only in Africa.

这种鸟现在只存在于非洲。

It is a fault of the species.

这是这号人通病。

There are over 35 000 species of orchid distributed throughout the world.

有35,000 多种兰花分布在世界各地。

The arrival of this South American predator threatened the survival of native species.

这种南美肉食动物到来威胁到了当地物种生存。

The piscator is a species of water snake.

草花蛇是在沼泽湿地活动蛇类。

The use of nuclear weapons is a horrible threat to the species.

核武器对人类是一个严重威胁。

14 per cent of primate species are highly endangered.

14% 灵长类物种处于高度濒危状态。

This island is maintained as a sanctuary for endangered species.

那个岛继续作为濒危物种保护区。

This indicates that there is a close relationship between species divergence,nymphal morphology derivation and microhabitat.

形态各异不同种类蜉蝣稚虫生活在不同小环境,表明种类演化和形态变化与环境有密切关系。

Any of various lemurs, especially the species Lemur macaco.

产于印度南部和斯里兰卡一种身体瘦长狐猴。

Shortish, greenish bill and black legs indicate this species.

嘴短偏绿色而脚黑色正是三趾鸥徵。

LIN Yu-chang Area Serai, intertwined vines and plant species richness.

景区林郁苍茏，藤蔓交织，植物物种丰富。

The book described the adaptation of desert species to the hot conditions.

这本书描绘了沙漠物种对炎热环境适应。

Scolopendra multilan is a common species belonging to Scolopendromorpha, Chilopoda.

少棘蜈蚣为唇足纲蜈蚣目一常见种。

Autopolyploidy A type of polyploidy involving the multiplication of chromo-some sets from only one species.

通常是由同一个体，同一纯种染色体数目加倍而成多倍性现象。

Bread products can be spoiled by Bacillus species that produce ropiness.

产生胶粘物质芽孢杆菌会破坏包产品。