8. Ecosystem Ecology

A herd of bison in Yellowstone National Park during the month of September in 2018.

• Population

• Community

• Ecosystem

Brown trout and smallmouth bass in a freshwater pond with a water temperature of 55 degrees Fahrenheit and a pH of 6.5.

• Population

• Community

• Ecosystem

Antelope, prairie dogs, and purple coneflowers in Nebraska during the year 2018.

• Population

• Community

• Ecosystem

Streptococcus bacteria and staphylococcus bacteria along with Penicillium fungus growing on protein agar in a dark incubator set at 90 degrees Fahrenheit and 88% humidity.

• Population

• Community

• Ecosystem

Match the descriptions with the appropriate cycles.

Autotrophs, such as plants, must be present for these cycles to continue.

• Carbon Cycle

• Water Cycle

• Nitrogen Cycle

Match the descriptions with the appropriate cycle.

The cycle is primarily the result of abiotic processes

• Water Cycle

• Carbon Cycle

• Nitrogen Cycle

Match the descriptions with the appropriate cycle.

The process depends on bacteria.

• Carbon Cycle

• Nitrogen Cycle

• Water Cycle

Match the descriptions with the appropriate cycles.

These cycles are primarily the result of biotic processes.

• Carbon Cycle

• Water Cycle

• Nitrogen Cycle

Match the descriptions with the appropriate cycle or cycles. You must include all the possible answers to receive credit.

The sun is necessary for the process to occur.

• Nitrogen Cycle

• Carbon Cycle

• Water Cycle

Match the descriptions with the appropriate cycles. You must include all the possible answers to receive credit.

These cycles would stop if all life would go extinct.

• Carbon Cycle

• Water Cycle

• Nitrogen Cycle