1 How many species of whales are there?2 What is the criterion to divide the main types of whales?3 What do whales use sounds for?4 Why do the campers take pictures of the whales' fins?5 Why do they contact other research groups?
Thorne RF. 2002. How many species of seed plants are there? Taxon 51: 511-512.Thorne, R. F. 2002 . How many species of seed plants are there?. Taxon 51: 511 – 512 .Thorne RF; 2002.How many species of seed plants are there?.Taxor% 51:511-512.2002.511-512...
How many new species of monkeys have been identified in Brazil alone over the last year? A. Eight. B. Nine. C. Ten. D. Eleven.正确答案:B解析:事实细节题。本题询问去年只在巴西一国就新发现多少种猴子。本题答案可以从文章第二段末句得出。选项B为正确答案。 相关知识点: ...
How Many Species Of Mammals Are There? We've done the research! Jump in to read about the ultimate mammals!
There are different types of great apes, which are gorillas, chimpanzees, humans, and orangutans. Gorillas have two species, which are Gorilla gorilla...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
正确答案:C 解析:本题的关键是数字信息的听辨和记录。根据原文“Around 380 million years ago,only 300 species groups were left in existence”,可以判断C是正确选项。 知识模块:句子听辨 听力原文:During the past 1. 65 million years, there have been four major episodes of global cooling, which resulte...
Govaerts, R. 2001. How many species of seed plants are there? Taxon 50:1085-1090.Govaerts, R., 2001. How Many Species of Seed Plants Are There?. Taxon, 4: 1085-1090Govaerts R (2001) How many species of seed plants are there? Taxon 50:1085-1090...
Darwin thought that new species developed slowly, as populations of animals change over time.Not individual animals, but groups of them, over hundreds of thousands of years.In every group of animals, there's always a little difference. Some grow bigger, some are faster, and some might have ...
There are approximately 28,000 identified species of bony fish at this time. However, scientists believe they could be many more species to discover...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
Nowadays, there are many celebrities who are famous for their glamour and wealth rather than achievements and this sets a bad example for young people. To what extent do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience....