If you were having a problem converting food to energy, which system might you want to have checked? a. digestive system. b. nervous system. c. reproductive system. d. integumentary system.

What is called the "building block" of life?

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

During convection, less dense fluid rises and denser fluid sinks.