Do viruses respond to the environment? + how do that maintain a stable internal environment? Are viruses alive?

Explanation:

Yes,according to some articals they do respond to the environment because if you notice flu season happens near colder weather.Viruses are protien protected heridatry material material with "keys" to lock into your cells.

a

explanation:

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.