teeth更合适,因为后有复数a row of bony plates 与之对应.单独用都可以. 分析总结。 teeth更合适因为后有复数arowofbonyplates与之对应结果一 题目 tooth 还是teeth?Instead of tooth, the blue whale has a row of bony plates in its mouth that functions as a food-collecting device.要帮我讲讲为什么哦...
(Animals) any whale belonging to the cetacean suborderMysticeti,having a double blowhole and strips of whalebone between the jaws instead of teeth: includes the rorquals, right whales, and the blue whale. Comparetoothed whale Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 ...
Sign up with one click: Facebook Twitter Google Share on Facebook whalebone whale Dictionary Thesaurus Wikipedia any whale belonging to the cetacean suborderMysticeti,having a double blowhole and strips of whalebone between the jaws instead of teeth: includes the rorquals, right whales, and the blu...
with thefishes. Cetaceans are entirely carnivorous, although members of the orderSirenia(manatees,dugongs, andSteller’s sea cow) were once referred to as the “herbivorous Cetacea.” In the past cetaceans were important resources (seewhaling), but by the end of the 20th century their economic...
These large whales are filter feeders and are among the largest animals on earth. They have baleen plates instead of teeth, which are used to filter tiny organisms, like krill and small fish from the water. They use their tongue to dislodge the food from the baleen and swallow it. Baleen...
Instead of teeth, the humpback has baleen plates made of keratin to filter food from the water. Adult humpbacks typically measure between 48 and 62 feet in length and can weigh around 40 tons, with females being slightly larger than males, which is unusual for mammals. Behavior The humpback...
These large whales are filter feeders and are among the largest animals on earth. They have baleen plates instead of teeth, which are used to filter tiny organisms, like krill and small fish from the water. They use their tongue to dislodge the food from the baleen and swallow it. Baleen...
This creature is the whale, a leviathan of the deep that commands respect and awe with its sheer size and remarkable abilities. Whales are marine mammals that belong to the order Cetacea. They are divided into two main categories: baleen whales, which have baleen plates instead of teeth, and...
What Is a Whale?Minke Whale Whales, dolphins and porpoises all belong to the scientific order Cetacea. The word “cetacean” originates from the Greek word “ketos,” which means “sea monster.” The term “whale” is often used to describe all cetaceans.Cetaceans are found in all of the ...
The former lost their teeth and developed long and thin keratinous plaques of ectodermal origin that hang from the upper jaw with which they extract plankton and small fish from the water that is introduced into their mouths. Likewise, they developed a large body size that allowed them large ...