Like other succulent plants, most cacti<span> employ a special mechanism called "crassulacean acid metabolism" (CAM) as </span>part<span> of </span>photosynthesis<span>. Transpiration, during which carbon dioxide enters the plant and water escapes, </span>does<span> not </span>take place<span> during the day at the same time as </span>photosynthesis<span>, but instead </span>occurs<span> at night.</span>
there is no answer so stop cheating okay or i will tell your parent
An ecosystem is <span>a biological community of interacting organisms and their physical environment.</span>
I agree because an ecosystem and a host are basically the same thing.
A vigorous excersie that requires a lot of energy
