If an organism eats other organisms to get the energy it needs to survive, it is a

consumer, carnivore

Explanation: they eat meat so they are carnivores. An organism that eats others is a consumer because it consumes others :)

about 40,000,000 results (0.81 seconds)  

search results

what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.