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?
声明: 本网站大部分资源来源于用户创建编辑,上传,机构合作,自有兼职答题团队,如有侵犯了你的权益,请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或责任
How many species of African violets are there? For many years the experts and the AVSA Handbook have said twenty to thirty. However, more recent research indicates that there are more likely only six with an additional ten subspecies. How can this be?Let's first take a look at the ...
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: ...
There are three different species of elephants: the African savanna, or bush, elephant, the African forest elephant, and the Asian elephant. The African forest elephant, recognized as a separate species in 2000, is smaller than the savanna elephant. There are three subspecies of Asian elephant:...
违反《中华人民共和国食品安全法》的规定,经营未按规定进行检疫或者检疫不合格的肉类,或者生产经营未经检验或者检验不合格的肉类制品,尚不构成犯罪,但情节严重的,吊销许可证,并可以由公安机关对其直接负责的主管人员和其他直接责任人员予以何种处罚?( )
How many species of non-flowering plants are there? How many species of gymnosperms are there? How big can ferns grow? What do ferns have instead of seeds? How do staghorn ferns grow? What are ferns classified as? What type of ferns are fiddleheads?
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 ...
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....
However this is a fairly arbitrary definition of species and there is a great deal of debate as to how we can really define a bacterial species, or if it's even possible. It may be more useful at this point to ask how many different functional groups of bacteria there are rather than...