Which two human body systems are involved in bringing glucose into the body and then taking it to the individual cells to serve as a reactant in the process of cellular respiration?

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

Which of the following is not a defining characteristic of plants?

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