It's the first one where it resist change in pH solutions by neutralizing :)
The diaphragm stops the passage of light
False, it has also positive consequences for other specie advantages.
Like any other change, it has a both positive and negative effect on the said biosphere, ecosystem or the entire living organisms that exists and co-exist. Climate change maybe is one of todays greatest selection and environment forces that reforms a lot of living organism and especially the climate.
