Sex changes don’t have to be one-way. When two female gobi fish meet, one of them will often become male so that they can mate. Switching back is less common, perhaps because there are higher costs involved, butit does happen. Many animals have their cake and eat it by practising “...
62.The difference between humans and animals is_(be) that the former can think while latter cannot, but not only humans but also every species of animals have(have) their origin in ocean.人类与动物的别就在于前 而后者不会,然而无论人类还是任何动物的物种都起源于海洋。63. The reason why the...
When Major saw that they had all made themselves comfortable and were waiting attentively he cleared his throat and began: ‘Comrades, you have heard already about the strange dream that I had last night. But I will come to the dream later. I have something else to say first. I do not...
I have had a long life, I have had much time for thought as I lay alone in my stall, and I think I may say that I understand the nature of life on this earth as well as any animal now living. It is about this that I wish to speak to you. ‘Now, comrades, what is the ...
Warm-blooded BirdsBirds are animals that have feathers and that are born out of hard-shelled eggs.Some people think that what makes an animal a bird is its wings. Bats have wings. Flies have wings. Bats and flies are not birds. So what makes an animal a bird?The answer is feathers!
A dam(坝) has been set up so that humans can have a better life. After a long fight with humans, they let the world know that animals are in danger.This film is about environmental matters. The humans are the bad and the animals are the good. This film is to give humans a ...
One simple step we can all take right now that would have a far greater impact than any other: Cut out the grain- fed beef. The inefficiency of feeding livestock (家畜) grain to turn them into meals for humans makes a diet heavy in animals particularly harsh on the Earth’s resources...
Humans kill large carnivores---a category of animals that includes wolves,bears,lions,tigers and pumas---at more than nine times their death rate in the wild.Although they may not be our prey (猎物) in the traditional sense,new research shows that some of the world's biggest carnivores ar...
A pregnant 7-foot porbeagle shark appeared to have been eaten by an even larger shark in what researchers believe is the first such evidence of the ocean hunter becoming the hunted. September 4, 2024 2:48pm PDT Lost and found: Texas family's beloved cat returns home after 2,000-mile adv...
Darimont predicts other largecarnivores would show similar responses becausehumans have effectively become the planet's toppredator-even if we often do not eat what we kill.1. How did researchers make the discovery?CA. By fitting GPS collars to the animals' prey andfollowing them.B. By ...