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3. The relationship in which one species benefits and the other is unharmed is known as _____. (1 point)
a niche
commensalism
mutualism
parasitism




4. Population size is limited by all of the following except _____. (1 point)
biotic factors
abiotic factors
competition
none of the above

  • science -

    I'll be glad to check your answers.

  • science -

    Abiotic factors

  • science -

    3 is Commensalism
    4 is none of the above. (~:

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