Ecology Part 2 Quiz

Which is NOT part of the carbon cycle?

• Transpiration

• Respiration

• Combustion

• Decomposition

Which statement best describes the role of photosynthesis and respiration in the carbon cycle?

• Respiration and photosynthesis both add carbon to the atmosphere

• Respiration and photosynthesis both remove carbon from the atmosphere

• Respiration adds carbon to the atmosphere, while photosynthesis removes it

• Photosynthesis adds carbon to the atmosphere, while respiration removes it.

Other than carbon dioxide, what other gas is exchanged through photosynthesis and respiration

• Nitrogen

• Oxygen

• Hydrogen

• Both Nitrogen and Oxygen

Which process returns nitrogen to the air?

• Nitrification

• Nitrogen-Fixation

• Assimilation

• Denitrification

The nitrogen cycle cannot function without which organism?

• Plants

• Animals

• Bacteria

• Fungi

succession that occurs in an area where soil is already present

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

Primary succession could potentially start where?

• In a forest that has their trees cut down

• In a desert that caught on fire

• In the mountains after a flood

• In a plain field melted into rock after a volcanic explosion

How do pioneer species compare in primary and secondary succession?

• primary starts with grass and weeds, secondary starts with mosses

• primary starts with forest fire, secondary starts with volcano

• primary starts with a volcano, secondary starts with a forest fire

• Lichens and moss in primary, and grasses/ ferns in secondary

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

The main human activity that releases greenhouse gases such as carbon dioxide is

• using public transportation and there by reduce the affects of greenhouse gases.

• burning fossil fuels

• texting on cellphones

• eating meat