3.C.细节理解题.根据第六段的 But after the extinction killed most of the larger animals, the ability to fly became less important. This helped penguins survive and grow. 可知,巨型企鹅在大多数大型动物灭绝后生存并成长.故选C.4.B. 写作意图题,根据第一段的Newly discovered fossils(化石) in New...
These newer animals ."可知,相对于其他三种动物而言,最后在地球上出现的动物是海豹。难句分析原文 Researchers believe they died out when large marinemammals, such as toothed whales and seals, showed up and startedcompeting with the penguins for food and safe breeding places.译文研究者认为当大的海洋...
A. Larger animals were extinctB. Penguin have no abilt tofy.C. Penguins live in or near the water.D. Penguins can grow very quickly.3. What might cause the giant pen-guins to die out?A. The mass extinction 66 millionyears ago.B. The appearance oflarge marineanimals.C. The fierce ...
Researchers believe they died out when large marinemammals(海洋哺乳动物),such as toothed whales andseals, showed up and started competing with thepenguins for food and habitat. These newer animalsmay also have hunted the giant penguins.Why is Sidney Crosby mentioned in thefirst paragraph?A. To ...
But after the extinction killed most ofthe larger animals, the ability to fly became less important. This helped penguinssurvive and grow. The question that remains, however, is what happened to the giantbirds? Mayr said researchers believe they died out when large marine mammals, such as...
“These animals harbor bacteria that grow from chemicals and pass the production of carbon back to the host. It is an analogous relationship to that of the colorful corals with algae in shallow tropical reefs. On top of chemosynthetic bacteria and large animals, many other smaller species thrive...
Butafter the extinction killed mot of the larger animals, the ability to fly became less important This helped penguinssurvive and grow.The question that remains, however, is what happened to the giant birds?Mayr said researchers believe they died out when large marine(海洋的) mammals, such as...
Eugenie Clark was a pioneer in shark biology, known around the world for her illuminating research on shark behavior. But she was a pioneer in another critical way, as one of the first women of prominence in the male-dominated field of marine biology.
Unfortunately, the identification of multiple species within what used to be a single one has its potentially ill-fated consequences. While the Chinese Softshell Turtle was once considered widespread and not threatened, each newly discovered species "reduces" the individual population numbers. ...
Annika Vaksmaa, PhD (AV): Plastic litter in the ocean has severe and far-reaching effects on marine life. Among many impacts of this pollution, one of the best known is the impact on marine animals that mistake plastic debris for food. When ingested, this plastic can cause malnutrition, ...