Which is not a characteristic of reptiles? A. Cold-blooded B. Have scales C. Live in water only D. Lay E. ggs 相关知识点: 试题来源: 解析 C。爬行动物不是只生活在水中。爬行动物大多为冷血动物,有鳞片,产蛋。选项 A、B、D 都是爬行动物的特征。
A. Reptiles evolved from amphibians B. The development of a scaly skin was an important adaptation for reptiles C. Reptiles were the first group to have a completely internal fertilization system D. Reptiles E. volved before amphibians
ayou can now make additional purchases 您能现在做另外的购买[translate] aabove the isolation system in seismically isolated structures 在隔离系统之上在地震上被隔绝的结构[translate] awhich is one of the only reptiles that live in the ocean. 哪些是在海洋居住的其中一只唯一的爬行动物。[translate]...
A friend says that dinosaurs all went extinct millions of years ago. How might you explain that it is not exactly true depending on how you classify animals? Outline the differences between mammals and reptiles. Current research indicates that dinosaurs ar...
Reptiles can live in many places. Which place is NOT suitable for reptiles? A. Desert B. Forest C. Polar regions D. Grassland 相关知识点: 试题来源: 解析 C。爬行动物不适合生活在极地地区。A 沙漠有爬行动物;B 森林也有;D 草原也可能有爬行动物。
Lay eggs on land C. Have wings D. Breathe through gills 相关知识点: 试题来源: 解析 B。解析:爬行动物的特征之一是在陆地上产卵。选项A,爬行动物是变温动物,体温不恒定;选项C,有翅膀是鸟类的特征,爬行动物没有翅膀;选项D,用鳃呼吸是鱼类等水生动物的特征,爬行动物用肺呼吸。反馈 收藏 ...
In the practice, the power source mold train most early expires the part is generally an electric capacity, is same with this findings.If the manufacturer may accept the quality high part to promote the margin of safety to be possible to use the price high date is an electric capacity. [...
Which of the following is an example of a deuterostome? (a) lophotrochozoan (b) coral (c) chordate (d) planarian flatworm (e) insect Deuterostomes: Deuterostomes are organisms that during embryonic development, the anus will de...
Many reptiles are oviparous: that is, they hatch their young from eggs they lay. Some snakes and lizards, however, give birth to live young.