Competition in an ecosystem primarily affects population size by causing a decrease in population size. When resources such as food, water, and habitat are limited, individuals and species must compete for them, which can lead to higher mortality rates and reduced reproduction rates. Consequently, this competition can result in a decline in population numbers over time.
How does competition in an ecosystem primarily affect population size?(1 point) Responses It leads to an increase in population size. It leads to an increase in population size. It causes a decrease in population size. It causes a decrease in population size. It has no effect on population size. It has no effect on population size. It results in random fluctuations in population size.
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