A farmer has a field with soil that is very low in nitrogen. The area receives plenty of rainfall and sunlight. What will be the primary effect of adding a large amount of phosphorus-rich fertilizer to the field?

The crop growth will significantly increase.

The crop growth will not increase.

The amount of sunlight will become the new limiting factor.

The plants will absorb more water.

Imagine you are building toy cars. Each car requires 1 body, 4 wheels, and 2 axles. You have 50 bodies, 120 wheels, and 80 axles. What is the limiting factor that determines the maximum number of cars you can build?

The total number of parts available

The population would decline due to resource toxicity.

The population would continue to be limited by other factors and show no change.

The population would increase until it becomes limited by a different factor.

The population would become extinct.

The resource that is most abundant and available for all organisms.

The resource that is in the shortest supply relative to the needs for growth and reproduction.

Any non-living element in the environment, such as temperature or sunlight.

The total number of predators that control the population of a specific species.