阅读理解。 Whales like dolphins belong to a group of mammals (哺乳动物) called “cetaceans”. This namecomes from a Latin word meaning “large sea animal”. There are at least seventy-five kinds of cetaceans. Scientists
Whales, like dolphins, belong to a group of mammals(哺乳动物)called “cetaceans”.This name comes from a Latin word meaning “large sea animal”.There are at least seventy-five kinds of cetaceans.Scientists divide the various kinds into two major groups-baleen whales, which do not have teeth...
Humpback whales are sometimes called performers of the ocean.This is because they can make impressive movements when they dive.The name “humpback” which is the common name for this whale refers to the typical curve shape the whale's back forms as it dives. Sometimes the humpback will dive ...
acarina noun (n. pl.) The group of Arachnida which includes the mites and ticks. Many species are parasitic, and cause diseases like the itch and mange. bicarinate adjective (a.) Having two keel-like projections, as the upper palea of grasses. carina noun (n.) A keel noun (n.) ...
A genus of whales. diprotodon noun (n.) An extinct Quaternary marsupial from Australia, about as large as the hippopotamus; -- so named because of its two large front teeth. See Illustration in Appendix. don noun (n.) Sir; Mr; Signior; -- a title in Spain, formerly given to noblemen...
Which animal became numerous and widespread by using sonar to enable a high-level activity in the dark? (a) Bats (b) Whales (c) Owls (d) Dolphins (e) Shrews. Name two types of vertebrate metamorphosis. Mention one example of each. ...
Humpback whales are sometimes called performers of the ocean.This is because they can make impressive movements when they dive.The name“humpback”,which is the common name for this whale,refers to the typical curve shape the whale’s back forms as it dives.Sometimes the humpback will dive wit...
Name:No:Killer whales are mama's boys. A son will follow his mother, taking bits of fish and other food,A throughout his life, even as his sisters grow up and have babies of their own. This neediness comes at a significant cost to mom, who gives up having additional children to loo...
the common name for this whale,refers to the typical curve shape the whale's back forms as it dives"可知,起这个名字是因为当它要潜入水中时,会将背部提到一种典型的曲线形状,C项错误和"Humpback whales are sometimes called performers of the ocean",驼背鲸有时称为海洋的表演者,D项说法错误,故选A....
What is a group of whale sharks called? How do whale sharks move? How are whale sharks endangered? How big is a whale shark's mouth? What is the scientific name for a great white shark? What does a baby whale shark look like? How do killer whales eat sharks? How big is a baby ...