There are 110 goldfish in the pond when the availability of resources decreases. The carrying capacity
drops from 125 to 90 goldfish. Which of the following statements is true under these conditions? Check
all that apply.

When the carrying capacity in a goldfish pond decreases from 125 to 90, the populations that the pond can support are 90 fish or less, that is, the pond can support a population of 90, 75 and 50 goldfish.

Explanation:

Options for this question:

In population dynamics, carrying capacity is defined as the maximum number of individuals that can live in a given place, depending on the resources available, such as space, food and water. This concept is also applicable to ecosystems.

If in the pond the carrying capacity decreased to 90 goldfish means that the available resources are only sufficient to maintain a number equal or less than 90 goldfish, so it can be said that:

When a population exceeds its carrying capacity, the mortality rate in that population usually increases.

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Carrying capacity link

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