Flow of Energy Studyguide

Which of the following explains why X is glowing?

• Chemical energy is transformed into light energy.

• Chemical energy is transformed into mechanical energy

• Mechanical energy is transformed into electrical energy

• Light energy is transformed into chemical energy

When a person eats more calories than the body needs, this energy is —

• converted into light energy and then stored as kinetic energy

• stored as mechanical energy in proteins that can later be transformed into potential

  energy.

• stored as potential energy in fat that can later be transformed into kinetic energy

• converted into electrical energy and then stored as mechanical energy

Which of the following best describes the type of energy transformation that occurs during photosynthesis?

• Electrical energy is transformed into mechanical energy.

• Chemical energy is transformed into magnetic energy

• Light energy is transformed into chemical energy.

• Thermal energy is transformed into light energy

Which sentence best describes how energy flows through a pyramid

• The energy lost at each level is consumed by organisms in the top level.

• Energy is transferred down each level of the energy pyramid.

• The energy lost at each level is consumed by organisms in the top level

• The organisms at the bottom level provide energy directly to organisms in all the other

  levels.

Which of the following correctly shows flow of energy in this environment?

• eagle → snake → mouse → oak tree

• oak tree → snake → mouse → eagle

• oak tree → mouse → snake → eagle

• snake → mouse → eagle → oak tree

A girl eats a banana before she goes for a run. Which of the following describes an energy transformation that occurs in the girl's body as the banana it digested?

• Potential energy in the banana converts to thermal and kinetic energy

• Kinetic energy in the banana converts to electrical energy.

• Mechanical energy in the banana converts to light energy.

• Kinetic energy in the banana converts to potential and mechanical energy.

Which of the following correctly shows a flow of energy through the food web?

• Rabbit → wolf → hawk

• Mouse → snake → hawk

• Hawk → mouse → wolf

• Mouse → snake → wolf

As energy flows through the pyramid what happens?

• 25 percent of energy is gained at each increasing trophic level.

• energy remains the same at each trophic level.

• 10 percent of energy is passed to each increasing trophic level

• energy increases until the second trophic level and then decreases

Complete the food chain with the suitable answer

seeds → finch → snake →

• Pine Tree

• Grasshopper

• Shark

• Hawk

Which of the following foods chains correctly shows a flow of energy found in this food web?

• Grass → wildebeests → cheetahs

• Elephants → young tree leaves → wildebeests

• Ticks → elephants → young tree leaves

• Wildebeests → ticks → cheetahs