Which of the following statements is true? a. all cells contain at least one tissue. b. organs are made up of cells and tissues. c. only some organs contain cells. d. tissues are made up of organs and cells.

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

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Which of these is a provisioning service people get from the ocean