One example is the poison dart frog(箭毒蛙). These very little frogs are in 2.colors - red, yellow or blue, and they have black spots. The frogs often use these to 3.other animals. But the trees they live in are in 4.. As a result, so are the frogs. It's very important for...
根据第二段ThemostdeadlyfrogsarethepoisondartfrogsofCentralandSouthAmerica.Thesecolourfulanimalaresmallerthanafinger.(最致命的青蛙是中南美州的火焰箭毒蛙。这些彩色的动物比手指小。)可知划线词在此处指上句提到的火焰箭毒蛙。故选B。(3)段落大意题。根据第三段Somepoisonousanimalsliveintheocean.(一些有毒的动物...
Oregon Spotted Frog Oregon spotted frogs are the most endangered frogs in Canada! Poison Dart Frog Inhabits the jungles of Central and South America! Pool Frog The rarest amphibian in the UK! Red-Eyed Tree Frog Despite their spectacular coloration, red-eyed tree frogs aren’t poisonous and can...
Differential Evolution of Advertisement Call Traits in Dart-Poison Frogs (Anura: Dendrobatidae) The ability to recognise and discriminate between heterospecific and conspecific individuals plays an essential role in mate choice, reproductive isolation... L Erdtmann,A Amézquita - 《Ethology》 被引量:...
These colourful frogs are smaller than a finger. Their skin is poisonous and it can make the enemy unable to move. Native Central Americans once used the poison from some poison dart frogs to fight.Many poisonous animals live in the ocean. Lion fish and stone fish are just two examples of...