Homework Help: science

Posted by aliyah on Saturday, November 10, 2012 at 9:54am.

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 - Ms. Sue, Saturday, November 10, 2012 at 11:50am
I'll be glad to check your answers.
science - John, Monday, December 24, 2012 at 2:26pm
Abiotic factors
science - Emily, Friday, April 5, 2013 at 4:47am
3 is Commensalism
4 is none of the above. (~:

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