Environmental Science Long Test in Ecology

Invasive species __________.

• have no natural predators

• belong in the habitat naturally

• are resistant to pesticdes

• are always helpful for the environment

Organisms that require the largest amount of energy to meet their needs are:

• producers

• 1st level consumers

• 2nd level consumers

• 3rd level consumers

Which item is formed by the storage of carbon over a long period of time?

• Fossil fuels

• Combustion

• Photosynthesis

• Cellular respiration

Which is a natural activity that increases the amount of carbon dioxide in the atmosphere?

• Combustion

• Photosynthesis

• Cellular respiration

• combustion and photosynthesis

Which of the following is a true representation of the biogeochemical cycle of carbon?

• Combustion -> Cellular Respiration -> Decomposition -> Photosynthesis

• Photosynthesis -> Decomposition -> Cellular Respiration -> Combustion

• Decomposition -> Cellular Respiration -> Photosynthesis -> Combustion

• Photosynthesis -> Combustion -> Decomposition -> Cellular Respiration

Which of the following is a true representation of the biogeochemical cycle of carbon?

• Combustion -> Cellular Respiration -> Decomposition -> Photosynthesis

• Photosynthesis -> Decomposition -> Cellular Respiration -> Combustion

• Decomposition -> Cellular Respiration -> Photosynthesis -> Combustion

• Photosynthesis -> Combustion -> Decomposition -> Cellular Respiration

Which level in the energy pyramid has the most energy?

• Primary producer

• Primary consumer

• Secondary consumer

• Tertiary consumer

What part of the water cycle does this picture show?

• condensation
• precipitation
• evaporation
• transpiration

What is it called when plants give off water vapor as a waste product?

• condensation
• evaporation
• sublimation
• transpiration

Evaporation happens when the sun ___________ water and turns it into vapor.

• cools
• heats up
• freezes
• lights up