Asked by Amanda Crosby on Jul 07, 2024
Verified
To move, an animal must expend ____ to overcome the effects of ____ and friction.
A) oxygen; respiration
B) muscle contractions; fatigue
C) nutrients; motion
D) glucose; movement
E) energy; gravity
Gravity
A natural phenomenon by which all things with mass or energy are brought toward one another, including objects ranging from subatomic particles to planets and stars.
Energy
The capacity to do work or produce change, present in many forms such as kinetic, thermal, electrical, and chemical.
Muscle Contractions
The process whereby muscle fibers shorten or lengthen to produce movement or apply force against resistance.
- Recognize the importance of overcoming gravity and reducing friction in animal movement
Verified Answer
DB
Denae BlountJul 09, 2024
Final Answer :
E
Explanation :
To move, an animal must expend energy to overcome both gravity (which affects movement in any direction) and friction (which affects movement across a surface). Therefore, the best answer is E) energy; gravity. Choices A, B, C, and D are incorrect as they do not address the specific factors of gravity and friction that must be overcome for movement.
Learning Objectives
- Recognize the importance of overcoming gravity and reducing friction in animal movement