(Q).
Q: Transporting blood is the main job of the heart and what? Choices: - bones - areolas - lymphatic system - blood vessels A:
(A).
blood vessels

(Q).
Q: Living things evolve what characteristics that make them better suited for their environment? Choices: - mutations - instincts - reflexes - adaptations A:
(A).
adaptations

(Q).
Q: What two factors influence the pressure of fluids? Choices: - depth and gravity - time and temperature - temperature and density - depth and density A:
(A).
depth and density