Ontario Grade 9 Science Class Practice Exam

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What does charge capacity refer to in an ecological context?

The maximum charge an electronic device can hold
The ability of an ecosystem to support its population before death occurs from lack of resources
The total electrical charge of an ecosystem
The potential energy stored in chemical bonds of organisms

The correct answer is: The ability of an ecosystem to support its population before death occurs from lack of resources

Charge capacity in an ecological context refers to the ability of an ecosystem to sustain and support its population without experiencing widespread death due to limited resources. Option A, the maximum charge an electronic device can hold, is incorrect because it is referring to a different type of charge. Option C, the total electrical charge of an ecosystem, is incorrect because while some organisms may have electrical charges, it is not a measure of the health or sustainability of an ecosystem. Option D, the potential energy stored in chemical bonds of organisms, is incorrect because although it is related to energy in ecosystems, it does not specifically refer to the capacity to support a population before facing resource depletion and population decline.