Which of the following, if true, most strongly indicates that the conclusion is too sweeping? A.Orcas that feed on fish almost always remain in the pod into which they were born, while orcas that feed on mammals
Sea otters (海獭) are pretty small compared to other marine mammals (哺乳动物).which means that, despite their fur coats, they tend to lose het quickly, and need lots of energy to keep up their body temperature. "So they need to eat 25 percent of their body weight each day," says Sa...
Crespiration by lungs Dpresence of a diaphragmSubmit Which of the following is exclusively marine animals ? View Solution Which of the following are exclusively marine animals? View Solution Which of the following metal is exclusively found in free state ? View Solution Which of the following tissu...
CSea otters (海獭)are pretty small compared with other marine mammals (哺乳动物),which means that, despite their fur coats, they tend to lose heat quickly, and need lots of energy to keep up their body temperature So they need to eat 25 percent of their body weight each day, says Sarah...
Which of the following organisms excretes urea? a) Bony fish b) Mammals c) Insects d) Reptiles e) Birds Nitrogenous waste Nitrogen is an essential element for life. However, accumulation of nitrogen in organisms can lead to excess formation of ammonia,...
Which of the following is common among mammals ? AThey do not moult BThey are carnivores CThey are carnivores DThey have ventral nerve cordSubmit Which of the following is common among mammals? AThey undergo no moulting BThey have seven cervical vertebrae CThey are carnivores DThey have vent...
由文章第一段中“When looking back, however, they are a good reminder of what was hot or trending in the past year.(然而,回顾过去,它们是一个很好的提醒,提醒我们过去一年里什么是热门或流 行趋势)”可知,它们使我们能够思考流行事件。故选C。 【9题详解】 推理判断题。由文章第三段 “Today, ...
These other metals are not especially abundant at the K/T boundary. The Alvarezes concluded that the iridium spike was due to a large asteroid that struck Earth 65 million years ago. 题目 收藏 1234567891011121314 4.According to paragraph 2, which of the following factors probably contributed to...
11.The author includes the views of Michael Jochim for which of the following reasons? A.To show that Mesolithic cultures in other parts of Europe were less well-defined than Mesolithic cultures in southern Scandinavia B.To help explain why it became necessary for Mesolithic populations to pay...
12.Which of the following can be inferred from paragraph 4 about the meteorite theory? A. The data originally presented as evidence for the theory were eventually rejected. B. Many scientists did not accept it when it was first proposed. C. It has not been widely accepted as an explanatio...