★ Ecology Quiz
Which occurrence represents an example of evolution?
A. Exposure to radiation reduces the rate of mutation in leaf cells.
B. A mutation in a liver cell causes a person to produce an enzyme that is less efficient.
C. Cells in a zygote eventually change into bone cells or skin cells
D. Some antibiotics are almost useless, because pathogens have developed a resistance to these antibiotics.
Select your answer:

Topics:
Cardiovascular System Terminology Diagnostic Tools Macromolecules Sports Medicine CVA Nutrition Vocabulary First Aid Check up Common Respiratoty Diseases Circulation of Blood Immunology IBD CABG Surgery Vocabulary - Health Differentiation and Division of Human Cells Digestion CellsOther quiz:
Genetics and Probability › ViewScientists call an organism with two different alleles for a trait
A. factor
B. purebred
C. trait
D. hybrid
Bone Development and Remodeling › View
The lacunae-bound chondrocytes divide and secrete new matrix, expanding the cartilage from within.
A. appositional growth
B. oppositional growth
C. interstitial growth
D. fibrocartilage