Biology

The correct answer is: D.Increase in available food.

An increase in available food would increase the carrying capacity of an ecosystem. More food means that organisms have more resources to survive, grow, and reproduce, which allows the population to expand. This boosts the overall capacity of the ecosystem to support a larger population.

Here's why the other options would not increase the carrying capacity:

A.Disease: Disease typically decreases the carrying capacity because it leads to higher mortality rates, reducing the population size and the ecosystem's ability to support that species.

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