They lis in groups called pods, and they often join other from different pods to play games and hav fun-just like people. Scientists believe playin together is something only intelligent animal do.Dolphins and
Did you know that a group of unicorns is called a blessing? V for Vultures A group of vultures is called a wake. W for Woodpeckers The collective name for a group of woodpeckers is called a descent. X for X-Ray Fish A group of x-ray fish are called a school. Y for Yuma Myotis ...
(科学家们在东南亚的泰国观察到两组长尾猕猴,尽管它们生活的岛屿相距不到6英里,但它们使用石 器的方式不同。 )”和第二自然段第二句 “The macaques use stones that they choose carefully to hammer the shells of shellfish, such as oysters, sea snails and crabs.(这些猕猴用它们精心挑选的石头敲打贝壳...
Summary. A blood group, called the Y system and independent of the B blood group system and of sex and size of fish, was discovered in the skipjack tuna ( Kalsuwonus pelamis ). Seven reagents determine 15 phenotypes, which can be compiled into three major groups. The system was applied ...
Like some animals,dolphins use sounds to help them find their way around.They also make these sounds to talk to each other and to help them find food.We now know they do not use their ears to receive these sounds,but the lower part of the mouth,called the jaw.Strangely,dolphins seem ...
2.Dolphins travel in groups.A group is called a“___”. 3.Dolphins make ___ sounds above water than what they make under water. 4.When dolphins are in the aquarium, they feel ___. 5.Many people believe that dolphins bring ___. 试题答案 在线课程 答案:words;show...
We now know they do not use their ears to receive these sounds, but the lower part of the mouth, called the jaw. 可知海豚是用嘴来确定方向的,故选A。 (4)题详解: A。细节题。由第三段Jack met every boat in the area and showed it the way.可知海员们寻找Jack的原因是Jack为这些航船在...
Like some animals,dolphins use sounds to help them find their way around.They also use these sounds to talk to each other and to help them find food.We now know they do not use their ears to receive these sounds,but the lower part of the mouth,called the jaw. Strangely,dolphins seem ...
The groups are called cliques (小圈子). These students do almost everything together at school: have classes, eat lunch, ___ and do homework.We all need friends. They help us with lessons. They help us out when we get into trouble. They ___ us when we complain (抱怨) about somethin...
We now know they do not use their ears to receive these sounds, but the lower part of the mouth, called the jaw.Strangely, dolphins seem to like man, and for thousands of years there have been stories about the dolphin and its friendship with people. There is a story about sailors in...