For many animals in the ocean, crabs (螃蟹) are food. That\s a problem for crabs. How can they stay off the dinner menu? One type of crab, known as the decorator crab, has found a clever way. It "decorates" itself. Decorator crabs use seaweed (海草) to hide themselves away from ...
人与自然 —环境保护How much do you know about whales, a kind of fantastic animals? They are huge,beautiful and interesting animals on the Earth.Are they fish? 1. Although they look like fish and their homes are in the sea, they aren't fish. Let's learn more about them.It's amazing...
The twilight zone of the ocean is a dimly lit place with just enough light to vaguely see one's surroundings, but not enough light for plants to grow. This means that the only organisms that can survive in the twilight zone are animals....
So today, Michele Steele and Ben Solak break down how the teams that are in got there, and what everyone else needs to do in order to have a shot. You can honor Jim Valvano and support ESPN's V Week with a donation to the V Foundation for Cancer Research....
In February, these were mostly juvenile Ad茅lie Penguins, since they leave their colonies in this month, and high mortality of the young generation is known in birds and other animals. However, despite the fact that the absolute number of dead penguins is high, the proportion of them ...
阅读理解D Dolphins are air-breathing animals that swim in the sea. But how do they sleep? If they stop swimming to take a nap, won't they sink or drown? Giraffes have almost no deep sleep. Do they feel tired? Scientists who study dolphins have discovered a surprising answer-these animal...
How much do you know about whales, a kind of fantastic animals? They are huge, beautiful, and interesting animals on Earth. Are they fish? Although they look like fish and their homes are in the sea, they aren’t fish. Let’s learn more about them. It’s amazing to think how big ...
Indian Ocean: Although there has been some exploration in the Indian Ocean, there are still large areas that remain uncharted. Limited resources and the vastness of this ocean have been obstacles to further exploration. Southern Ocean: Located around Antarctica, the Southern Ocean is one of the ...
almost all bats sleep upside down. they hang by their toes from a branch or from the ceiling of a cave. Up high, bats are safe for most other animals. If they are in danger, they just fly away. sleeping the most and the least ...
Squids are shrinking, birds are migrating and lizards are getting blown away by hurricanes. The signs are everywhere; animals are changing because of climate change. We asked biologist Thor Hanson to walk us through three animal adaptation experiments.Re