A. Water being pumped in and out of guard cells.
Answer:
Although habitats provide food, water and shelter that animals need, there is more to survival than just the habitat.
I'm just guessing since this is my prediction. Either B. or D. I dont know about C. and it is definitely not A. since the lumber companies are only taking down some trees instead of all of them.
Rain forests are huge carbon sinks, as plants and trees actively remove carbon dioxide from the atmosphere and store the carbon in biomass. This is a vital ecosystem service for counteracting climate change. Forests regulate the climate, as evapotranspiration from forests influence precipitation patterns and the temperature. Many as yet underdiscovered plants may be of benefit to us as sources of useful products or drugs. Rain forests act as a refuge for vulnerable plant species, thereby protecting them from human over-exploitation and saving biodiversity for future human generations.
Answer:
Just letting you know that the meaning of a vestigial structure
Explanation:
It is a structure that has no purpose. For ex. a pig's back toe has no purpose it's just there. It doesn't function