An ecosystem can only sustain so many organisms. That limit would be its <span>carrying capacity. If the population goes above that number then other factors will cause the population to crash and then rebound to a constant level. </span>
The answer is modulation. In modulation a radio wave (also called the "carrier signal") is changed by the signal we want to send to the receiver, for example a song, or, in a wireless network, some data from a computer.
