Which is a characteristic of most single-celled organisms?
A. They have a complex nervous system.
B. They contain several different types of cells.
C. They perform all life processes.
D. They have a circulatory and a respiratory system.
Select your answer:
Topics:
Components of Blood BTEC Biological Approach Revise Physical fitness , Wellness and Lifestyle Contemporary Nutrition Issues Blood clotting Genetics Vocabulary Human Body Systems Macromolecules & Nutrients Nephrology (Hemodialysis) Disorders of The Joints Fish Health Management Mutation & Genetic Engineering Anatomy Respiratory System My Teeth LungsOther quiz:
Molecular Genetics › ViewHISTORY: Discovered Bacterial Transformation
A. Fredrick Griffeth
B. Erwin Chargaff
C. Rosalind Franklin
D. Martha Chase
Human Body Systems › View
Your lungs are part of which body system?
A. circulatory
B. respiratory
C. digestive
D. muscular