How does predation affect an ecosystem? How does competition affect an ecosystem?
Explain in your own words how competition works in an ecosystem.
How did the backyard bird feeders in the article increase competition in that ecosystem? (asking again cause no one helped)

predation affects an ecosystem for its decomposer

Explanation:

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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.