Answer: if they help you break down food
Explanation:
Mutualism is a biological relationship between TWO or more organisms of different species (inter-specie) in which one or more benefits.
A good example is bacteria in the human intestine that helps to break down cellulose contained in food, thus benefitting humans.
I believe the answer is D, as we can reproduce and we have to be the same biological species to do that
Answer:
The producers because the energy they transfer is energy they gathered from the sun.
The risk of lung cancer death is no different between medium, low, and very low-tar cigarettes.
People who smoke low-tar cigarettes compensate the lack of tar by changing their breathing habits, for example, they will take deeper drags or hold the smoke in for a longer period of time, basically negating the supposed " low-tar" effect.
