What is commensalism? Give two examples. 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?

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Explanation:

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a