They do not eat. They live off their fat. They wake up when the weather gets warmer. We call this hibernation (冬眠). Snakes, frogs and bears hibernate in winter.Many animals stay active in winter and adapt to (适应) the cold weather. Some animals save food in s...
They are in hibernation (冬眠) 【小题5】 In winter they eat nothing. They're very hungry when they wake up in spring. They usually look for food in March or April. Bears, snakes and frogs are such animals. Winter is cold in northern countries, but animals are smart...
What do bears, bats and frogs have in common? They all hibernate. Hibernation is a state often compared to sleep. It usually occurs in winter, when a creature does not move for weeks or months continuously. Creatures hibernate to survive the cold weather and the absence of food. A typical...
" said Marco Biggiogera, a hibernation researcher at Italy's University of Pavia.Just like bears and frogs, the hibernation of human beings would cause a person's metabolism(新陈代谢)to lower
( )2. During hibernation, animals don't breathe at all. ( )3. Bears eat lots of food before they hibernate in winter. ( )4. Bears don't go to the toilet during their hibernation. ( )5. Frogs hibernate in the Earth under water. ( )6. Mother bears can't give birth to babies...
3). Low doses of cadmium increase growth rate in American toads (Bufo americanus, James and Little, 2003) and leopard frogs (Rana pipiens, Gross et al., 2007), and result in body size gains and faster metamorphic rates in Chinese toads (Bufo gargarizans, Ya et al., 2019). ...