Which of the Following Statements is TRUE

Question

Which of the following statements is TRUE?
A)All animals have a nervous system.
B)All animals sense and respond to the environment.
C)It is necessary to have a nervous system to sense and respond to the environment.
D)All animals have a nervous system and it is necessary to have a nervous system to sense and respond to the environment, but not all animals sense and respond to the environment.
E)All animals have a nervous system, all animals sense and respond to the environment, and it is necessary to have a nervous system to sense and respond to the environment.

Accepted Answer

All animals have mechanisms to sense and respond to their environment, but not all have a nervous system. For example, sponges can respond to environmental stimuli but lack a nervous system.