In a species interaction when one species benefits while the other is harmed, such relationship is called

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

The third stage of cellular respiration is (2 points)