Topics: Environment Quiz
———-is the obligatory interaction.
A. Mutualism
B. Commensalism
C. Ammensalism
D. Cooperation
Select your answer:

Topics:
Cell Review Contemporary Nutrition Issues Skin Appendages The Nervous System and The Senses Skin Structure Joints and Range of Motion Nutrition and Human Digestive System Nutrient Cycling Diseases Nervous System Musculoskeletal Disorders Digestive System Medical Terminology Nature of Science Components of Blood Blood TypingOther quiz:
Physical Activity › ViewBroken Bone
A. Fracture
B. concussion
C. sprain
Cardiovascular Adaptation Refresher › View
What is Hypervolaemia?
A. increased plasma volume
B. increased red blood cells
C. Increased capillaries
D. increased veins