Which of the following is NOT an example of natural selection?
A. People selectively breeding hamsters.
B. Insect populations developing resistance to certain pesticides.
C. Bacteria becoming resistant to antibiotics.
D. Male birds of certain species developing colorful feathers to attract female mates.
Select your answer:
Topics:
Cellular Respiration Macromolecules and Enzymes Trauma Properties of the Hair Skeletal System Vocabulary Organization of Systems Microbial Growth CPR Forensic Pathology (Autopsy) Assessment Branches of Microbiology Enzymes A&P Musculoskeletal Musculoskeletal Anatomy: Knee Body System Interactions Coronary Heart DiseasesOther quiz:
Histology › ViewYou compare two tissue samples: one fixed in formalin and another frozen immediately after collection. How might the microscopic appearance differ?
A. Frozen tissue will show greater cellular detail.
B. Formalin-fixed tissue will have better preserved enzymes.
C. Formalin-fixed tissue will display more structural preservation.
D. Both will appear identical under the microscope.
Germs & Diseases › View
Viruses cause measles, chicken pox and
A. flu
B. mumps