Thus, there are no poisonous animals that are dangerous for all other animals; the degree of toxicity is relative. Human beings and animals can become desensitized to a particular toxin when it is given in small doses over a long period of time. Beekeepers sometimes develop a tolerance for ...
Many animals are poisonous or venomous. It can be a defense mechanism to prevent predation or it can be a way to subduing prey. Many, though not all animals, that are poisonous are also very brightly coloured. This is nature’s way of warning others away since there is no point in bein...
When a poisonous snake bites people, the snake then releases poison into their holes. It's not the bite that kills,therefore. It's the poison that the snake releases into the wound(伤口).()1. -Why are insects dangerous?-Because A. there are lots of them B. they have poison C. ...
But there's another category of toxic creature: those that are poisonous. These animals can't inject their toxins, but they can be just as deadly if they're eaten — or even touched. Some of these species, such as the jewel-colored poison dart frog, are well known. But there are also...
(毒素)can cause heart attacks.Cobras, typically found in the jungles of India and China, can kill somebody in a very short time and just 7ml of their venom is enough to kill 20 humans.The marbled cone snail is a sea creature and its venom is so poisonous that it can result in vision...
(BBC,Karl Gruber, Poison dart frogs are the most poisonous animals alive) 翻译 毒镖蛙的祖先可能意外进食了毒蚂蚁,进而在体内积蓄毒素。毒镖蛙皮肤上一些主要的化学物质可以追踪至蚂蚁、甲壳虫和千足虫。 这似乎符合桑托斯所说的毒镖蛙通过不同...
The extremely dangerous stone fishes are found in tropical waters of Indo-Pacific ocean. They lurk in mud or sand on ocean floors. It makes very hard to find them. This deadly species contains 13 sharp poisonous dorsal spines. They sting very quickly. It cause extreme pain, swelling, muscle...
根据文中The marbled cone snail is a sea creature and its venom is so poisonous that it can result in vision loss(视力丧失), respiratory failure(呼吸衰竭),muscle(肌肉)paralysis(麻痹) and finally death.以及Poison dart frogs are small and brightly coloured but the toxin in its body can cause...
The box jellyfish is widely regarded to be the most poisonous animal whose toxin (毒素) can cause heart attacks.Cobras, typically found in the jungles of India and China, can kill somebody in a very short time and just 7ml of theirvenomis enough to kill 20 humans....
Forests are amazing,and so are the animals that live in them.We enjoy watching TV shows about bears,bats (蝙蝠) or monkeys.We know a lot about their lives:how they find food or what they do at different times of the year.But what about smaller animals that are more difficult to see ...