Here's why:

* Nervous tissue is made up of neurons (nerve cells) and supporting cells called neuroglia.

* Neurons are highly specialized cells that can receive, process, and transmit information in the form of electrical signals. They are responsible for:

* Sensory perception: Detecting changes in the environment (e.g., light, sound, temperature, touch)

* Coordination and control: Sending signals to other cells to initiate responses to these changes

* Memory and learning: Processing and storing information about past experiences to help adapt to future situations

* Neuroglia support and protect neurons, providing them with nutrients and insulation.

Other tissues also play a role in responding to the environment, but not in the same way as nervous tissue:

* Muscle tissue contracts in response to signals from the nervous system, allowing for movement and physical responses.

* Epithelial tissue forms protective barriers and can be involved in sensing certain stimuli, but it doesn't have the same level of specialized communication and processing as nervous tissue.

* Connective tissue provides support and structure, but its primary role isn't in direct environmental response.

Therefore, nervous tissue is the most specialized for responding to environmental changes due to its unique ability to receive, process, and transmit information quickly and efficiently.