Though jellyfish do not have a brain, they areincredibly smart and adaptable. For more than 500 million years, they've been bobbing around almost all the world's oceans, both close to the water surface as well as in depths of up 700 meters. The jellyfish is the world's oldest animal....
How do jellyfish survive in their habitat? How do amoebas move in water? What do cuttlefish eat? How do sea turtles use ocean currents? To which class of the phylum Mollusca does a squid belong? How does amoeba eat food? How do flatworms move?
More than 40 distinct kinds of freshwater fish, as well as freshwater crustaceans, are known to be eaten by Amazon river dolphins. Fish, jellyfish, and krill are all eaten by spinner dolphins. Shrimp, squid, and other fish, including small anchovies, are eaten by dusky dolphins. Are dolphin...
and also fascinating because of their appearance. There’s a lot of mystery shrouded in the jellyfish. Particularly when it comes to the jellyfish lifespan and understanding just how long jellyfish live.
Once caught by a predator, this jellyfish’s only hope for survival is to use its lights to attract the attention of a larger predator to attack its attacker and give it a chance to escape. Touch me and I’ll slime you When attacked, this pelagic sea cucumber flashes a warning sign: ...
When you're at the beach, watch out for jellyfish both on the water and on the sand. Even a tentacle that has been separated from its jellyfish can sting. If you do get stung, first remove any tentacles clinging to the skin. Don't wash the area with fresh water -- it could relea...
Most bony fish have a swim bladder. A swim bladder is an internal organ filled with gas that helps the fish float without having to swim all the time. But sharks don’t have a swim bladder to help with buoyancy. The reason is that sharks can rapidly change depth without bursting an air...
Answer and Explanation:1 Starfish do not take in their food in the same way that humans do. In fact, the mouth of a starfish, which is located at the center of the underside... Learn more about this topic: Starfish | Characteristics, Structure & Types ...
If a person is stung (刺痛) by a box jellyfish, he or she must get help immediately. Otherwise, that person's chance of survival () is almost zero.( A )1. How many kinds of animals are mentioned? A.6. B. 7. C. 5. D. 8.( B )2. Which of the following can't chimps do...