Natural Resources FFA CDE National 2022

All the ecosystems of the Earth, when considered as a whole, are called the ________.

• Atmosphere

• Biomass

• Biosphere

• Rhizosphere

Which of the following processes produces oxygen for an ecosystem?

• Digestion

• Decomposition

• Photosynthesis

• Respiration

Which process takes place within the individual cells of plants and animals, involving the breakdown of foods into their components along with the release of energy?

• Digestion

• Decomposition

• Photosynthesis

• Respiration

Which is the most abundant element found in living organisms?

• Carbon

• Oxygen

• Nitrogen

• Water

Which is the most abundant element in the atmosphere?

• Carbon

• Oxygen

• Nitrogen

• Water

Plants give up large amounts of water to the atmosphere through a process called __________.

• Evaporation

• Perspiration

• Respiration

• Transpiration

In environmental science, a "niche" refers to...

• When an ecosystem is damaged, but remnants of the former community still exist

• When one organism is more able to survive in an environment than another

• When an organism did not exist before in an environment but can now

• The role the organism fulfills in an environment

Primary succession occurs when...

• An ecosystem is damaged or partly destroyed

• Organisms live in an area where they did not live before

• Plants displace animals from an environment

• Remnants of a former community still exist

The ability of an organism to survive changes in an environment is a demonstration of its...

• Comfort zone

• Competitive exclusion principle

• Niche

• Range of tolerance

Which of the following forms of energy occurs as a result of photosynthesis?

• Chemical

• Electrical

• Kinetic

• Thermal