Which of these is the BEST example of organisms interacting with each other in an ecosystem?
A. a buffalo drinking water
B. a bear catching a fish

c. a rabbit running across the sand
D. a pig rolling in the mud

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur