Ecology

The amount of energy that is passed from one organism to the next in a food chain is

• 5%
• 10%
• 15%
• 20%

The release of water vapor from the leaves of trees is called

• Evaporation
• Precipitation
• condensation
• transpiration 

An animal that only eats the flesh of another animal is called a

• Producer
• herbivore
• carnivore
• omnivore

Which of the following is an abiotic factor in an ecosystem?

• Bird
• tree
• rock
• deer

Which of the following is considered the main source of excess carbon dioxide in the atmosphere leading to the destruction of the ozone layer?

• Which of the following is considered the main source of excess carbon dioxide in the atmosphere leading to the destruction of the ozone layer?
• Carbon dioxide being released from animals during the process of cellular respiration
• Carbon gas released into the soil through the process of decomposition
• Carbon dioxide released into the oceans during deposition and decomposition

Which of the following cannot be recycled?

• Nitrogen
• Carbon
• Water
• Energy

Which of the following statements is true about matter and energy?

• Matter is not recycled; energy is recycled
• Matter is recycled; energy is not recycled
• Both matter and energy are recycled
• Neither matter nor energy are recycled

Mushrooms and other fungi are responsible for breaking down dead organic matter. In the ecosystem, they are called

• producers
• consumers
• decomposers 
• scavengers

All of the following are ways that we can protect the biosphere except

• recycling
• Protecting waterways from the dumping of illegal chemicals
• burning fossil fuel 
• Decreasing the process of deforestation

The ultimate source of energy for all organisms in life is

• water
• oxygen
• nitrogen
• the sun