Energy In Living Systems

10 Questions | By 16nelsaly | Updated: Mar 18, 2022 | Attempts: 313

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Questions and Answers

1.

Energy is the capacity to do work.
- A.
  
  True
- B.
  
  False
2.

Which of the following is part of the first law of thermodynamics?
- A.
  
  Kinetic energy is stored energy.
- B.
  
  Energy cannot be transferred or transformed.
- C.
  
  Potential energy equals kinetic energy in a reaction.
- D.
  
  Energy cannot be created or destroyed.
3.

Energy in ecosystems
- A.
  
  Flows in one direction from heterotrophs to autotrophs.
- B.
  
  Is recycled by plants back to animals.
- C.
  
  Flows in one direction from the sun to heat.
- D.
  
  Is recycled by decomposers back to plants.
4.

What is the ultimate source of energy for almost all forms of life on Earth?
- A.
  
  Solar energy
- B.
  
  Thermal energy
- C.
  
  Heat energy
- D.
  
  Nuclear energy
5.

Which of the following statements below is correct?
- A.
  
  Energy cannot be recycled throughout an ecosystem, but matter can.
- B.
  
  Energy can be recycled throughout an ecosystem, but matter cannot.
- C.
  
  Both energy and matter can be recycled throughout an ecosystem.
- D.
  
  Neither energy or matter can be recycled throughout an ecosystem.
6.

Kinetic energy is stored energy.
- A.
  
  True
- B.
  
  False
7.

An object at rest has no ____ , but it may have _____ based on its location or structure.
- A.
  
  Kinetic energy, conserved energy
- B.
  
  Potential energy, kinetic energy
- C.
  
  Kinetic energy, potential energy
- D.
  
  Stored energy, potential energy
8.

A rock on the top of a mountain has what kind of energy?
- A.
  
  Kinetic
- B.
  
  Potential
- C.
  
  No
- D.
  
  Conserved
9.

Molecules that come from the food we eat provide energy for work that goes on inside our cells. This energy, stored inside of our food, is a form of ___.
- A.
  
  Potential energy called chemical energy
- B.
  
  Electrical energy called heat
- C.
  
  Potential energy called entropy
- D.
  
  Kinetic energy called heat
10.

Organisms that cannot make their own food and must obtain energy from the foods they eat are called ___
- A.
  
  Autotrophs
- B.
  
  Heterotrophs
- C.
  
  Plants
- D.
  
  Matter