Most of them have an elongated snout, dozens of small functional teeth, not to chew but to hold the prey and a single blowhole in the dorsum to get oxygen from the air. On its back, they have a dorsal fin, and at the end, there is a caudal fin that moves from bottom to top ...
b.Seepompano dolphinfish. 3. a.A buoy, pile, or group of piles used for mooring boats. b.A group of piles used as a fender, as at a dock or around a bridge pier. [Middle English, from Old Frenchdaulfin, blend ofdaufinand Old Provençaldalfin, both from Medieval Latin*dalfinus...
百度试题 结果1 题目This animal can swim. It has fins and a tail. What is it? A. Duck B. Fish C. Dolphin D. Swan 相关知识点: 试题来源: 解析 B。鱼能游泳,有鳍和尾巴。鸭子有脚蹼但不是鳍;海豚和天鹅是哺乳动物不是鱼类。反馈 收藏 ...
The newborn has dark skin and lighter bands that run through his torso called fetal bands that disappear after several weeks. Both the dorsal fin and the pectoral flippers are very soft but harden over time; The dorsal fin stiffens a few hours after birth. The young can weigh 23 to 65 ...
A marine mammal(Tursiops truncatus)of temperate and tropical waters worldwide, having a short protruding beak, a gray or brown stocky body, and a prominent curved dorsal fin. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Pu...
百度试题 结果1 题目Which animal has a long tail? A. Fish B. Dolphin C. Turtle 相关知识点: 试题来源: 解析 B。海豚有长长的尾巴。鱼的尾巴形状多样但一般不是很长。海龟的尾巴相对较短。反馈 收藏
Dolphins move their tail fin up and down, if the water is clear or you can see the body of it in a wave, it's very easy to quickly notice which way the body is moving.. if the lower half of the body is moving up and down, you're cool. If itis moving side to side, that'...
It has one fin on its back and one fin on its tail. The tail fin helps the dolphin swim fast. Some dolphins can swim up to 25 miles an hour.A baby dolphin is called a calf. A calf stays with its mother for two or three years.Dolphins eat many kinds of fish, but they do not...
The meaning of DOLPHINFISH is either of two colorful, iridescent, saltwater fish (Coryphaena equiselis and C. hippurus of the family Coryphaenidae) that are widely distributed in tropical and temperate seas and have a long laterally compressed body and a
Calves are usually born tail first, weigh 25-40lbs, and are generally three to four feet long. We can get an approximate idea of how old a baby is by looking at the dorsal fin. It is thought that the dorsal fin stiffens within a few hours. The tail flukes seem to take a bit lon...