Alternative New Orleans 600字高中英语作文

　　In the insect world, bumblebee is definitely a "alternative", its physical huge, and thus, there is almost no natural enemies. It's like a lion on the African savannah, at the top of the food chain of insect.

　　In principle, bumblebee body parts should be far better than other insects. The fact is indeed. It developed mouthparts, palate thick, strong legs. End of the female body is terrible sting long, even on the poison capsule, secrete venom, bee would see it shun, even the insects, the famous hunter spider bumblebee, can only stay out. Bumblebee appearance, actually looks like panda, some funny, heavy body, but small wings, body proportion, a bit slow at the awkward. Such a big MAC, but fly puissant, deserve to go up "buzzing" roar, has become the bomber in the insect world. Biologists and physicists of bumblebee body structure, the study found, in fact, relative to other posture is lightsome, broad wings flying animals, bumblebee body there is a fatal flaw, narrow wings and heavy body proportion, according to the existing theory of biology and flight to infer, the hornets have absolutely no reason to fly. But surprising, however, is that all should not have the ability to fly adult wasps are able to fly, fly and ability is not inferior to the other flying ace in insects.

　　Ponderous bumblebee why can fly? It is a mystery. Social behavior at another answer is given, that is every a bumblebee grew up to face a life and death choice: can't fly, can't honey in the flowers, can only be starved to death. Don't be starved to death, has become the only reason for the bumblebee fly. Bumblebee is glad you are not human, do not know what biology and knowledge of flight, if it knows the theory, know your body does not have the requirement of fly, then in the nature of the hornet, its fate will be completely changed.

Bird mouth big altar

　　With the Rio screen popular worldwide, as an important supporting role of enthusiastic rafael also show a handful of well.

　　Toucans name is Tuo , live in South America. The existing 34 kinds of toucans the world, the vast majority lives only in Brazil.

　　Because of the big eye effect, toucans are the least vulnerable to admit the birds. Their mouth is too big, length accounted for almost a third of the length. But, you don't have to worry about it bring toucans heavy burden, its beak is foamy inside, very light, generally not more than 50 grams of weight.

　　After two months of careful nurturing, little guys could finally leave the nest. At that time, they besides mouth is not big enough, not enough vivid colors, mom and dad basically general appearance. As for that the iconic big mouth, need at least a year to be fully developed. Will leave the nest of chicks with mom and dad live together for a period of time. These little guys play heart heavy: they will put the mouth buckle jostled each other together, whoever has back lost, won the party will accept the challenge of the other chicks. They love another game is fruit. These games, is not just to play for small toucans, more important is can learn survival skills. Those who grew up playing invincible hand birds from all over the world, after be brought up is more likely to become a leader.