[案例题] Why is Australia rich in unique species of animals and plants?相关知识点: 试题来源: 解析 澳大利亚大陆长期孤立,地理隔离导致生物独立演化。 1. **地理隔离**:澳大利亚大陆约在5500万年前与冈瓦纳大陆分裂后孤立,缺乏与其他大陆的生物交流。2. **演化独立性**:孤立环境下,本土动植物独立进化,未被...
Australia is a continent and a country that gained its independence from the British empire on the first of January, 1901. This continent is home to massively diverse and unique living organisms. To illustrate, one source states that more than four-fifth of mammals in Australia cannot be found...
Kangaroos are one of the best known Australian animals. They are large marsupials that are known for their long back legs and distinctive bounding gait. As well as that, they are famed for the fierce and brutal fights that they have. Known as “boxing”, these fights are a vitally ...
White, I'm afraid we have to put you on a strict diet. From now on, you're going to have to stay away from salty food. W: Does that mean I can't have any more fast food? M: Right. You can't have any fried food or steaks. W: What about breakfast food like eggs and sau...
根据第一段中Fast animals have a leg up in outrunning other animals,which puts them high on the food chain.It would seem that all animals would go for speed,but then there's the sloth (树懒).While a lion can go from 0 to 60 miles an hour in only five seconds,...
They help the environment, but they also help our souls. In 2018 we’ll explore the wonder of birds, and why we can’t live without them.
species-wide conservation protocols typically do not focus on what the animals themselves feel about what's happening to them—that they'reemotionalandsentientbeings—and usually ignore the well-established fact that each individual has aunique personality. As major stakeholders (some call...
10.Why does the author mention “Anomalocaris” and “Wiwaxia”? A. To contrast predators with animals that eat plants such as algae B. To question the effects of rapid mud slides on fossilization C. To suggest that much is still unknown about animals found in the Burgess Shale ...
Why does our relationship with them feel so much more deep and intense than with other animals?Any dog owner knows that the bond with their dog is unique. The unparalleled loyalty and total devotion of a dog seems the stuff of true love – but is this a whimsical construction that bears ...
buildingand why termites were some of thefirst animals to form societies. One study suggests that Australia's termites originally nested in trees and gradually evolved to feed on grass instead of wood, descending to build mounds on the ground as Australia's landscape changed from forest ...