A sparrow eats 1200 J of seeds. Of this, 425 J is eliminated as...

A sparrow eats 1200 J of seeds. Of this, 425 J is eliminated as feces and 750 J are used in cellular respiration. What is the approximate production efficiency of this animal?

 3.2%

 32%

 5.5%

 55%

Which of the following negatively affect the carbon cycle?

 deforestation

 discharging sewage

 excessive water use

 manufacturing processes

Using the following data table and equation, what is the conversion efficiency for pork?

The conversion efficiency for pork is approximately

1.9%

 5.4%

 19%

 54%

All organisms in an ecosystem are interrelated by the abiotic and biotic resources they use in the course of their lives.

Describe the relationships that exist among a hawk, a mouse, a plant, and soil in a particular ecosystem.

Discuss TWO examples of the impact of human population growth on abiotic components of the environment. For each example, explain how a change in the abiotic component will impact the biotic component of the biosphere.