Saxena, S. and I.A. Niazi. 1977. Difference between frog and toad tadpoles in response of the keratinizing epidermis of the oral region to excess of vitamin A. Cell. Mol. Life Sci. 33(10): 1322-1323.K. N. Saxena, P. Khattar and S. Goyal, Experientia 33 , 1312 (1977)....
摘要: The differences between a frog and a toad are subtle, but they are there. Readers will learn the ways in which these two amphibians are alike and different. Full-color photographs enhance and support the informative text.年份: 2013 ...
frog and toad 蛙和蟾蜍 词组短语 青蛙和蟾蜍在一起 Frog and Toad Together 双语例句 1. This type of tongue, also present in frogs and toads, is called an extensile tongue. 这种青蛙和蟾蜍也有的舌头叫做伸缩舌头。—— 给力词典精选 2. Frog and Toad ate one last cookie. 青蛙和蟾蜍吃了最后...
所属专辑:最美自然诗集 音频列表 1 The Clown Fish 156 2017-11 2 The Difference between Frog and Toad 202 2017-11 3 The Rhea 127 2017-11 4 The Ways of Living Things 103 2017-11 5 Whale 98 2017-11 6 The Flower-Fed Buffaloes 104 ...
Frog and toad - Habitat, Adaptations, Reproduction: Anurans have distinctive breeding behavior. In all cases, the mating call produced by the male attracts females to the breeding site. Many anurans have a tadpole stage and then go through metamorphosis
The meaning of AFRICAN CLAWED FROG is a smooth-skinned, tongueless frog (Xenopus laevis) native to sub-Saharan Africa that has webbed feet with sharp black claws on the inner three toes and is often used in biological research (as in the study of genetic
The meaning of TOAD is any of numerous anuran amphibians (especially family Bufonidae) that are distinguished from the related frogs by being more terrestrial in habit though returning to water to lay their eggs, by having a build that is squatter and sh
In this case, synchronization makes the frogs less susceptible to predation by the frog-eating bat Trachops cirrhosus. Most frogs, however, alternate calls. Call alternation usually occurs within a small neighborhood, and thus, the summed acoustic output of an entire chorus can lack any easily ...
What's the difference between a frog and a toad? This highly photographic non-fiction book explains the similarities and differences between these two amphibians, including their appearance, diet and behaviour. * Yellow/Band 3 books offer varied sentence structure and natural language * Text type:...
Learn how a hibernating frog survives in a frozen environment. Video: © Open University (A Britannica Publishing Partner) See toads engage in amphibious amplexus and witness metamorphosis of tadpoles into toads The life cycle of a North American toad. Video: Encyclopædia Britannica, Inc. ...