★ Ecology Quiz
Ostrich wings are examples of
A. homologous structures
B. vestigial structures
C. adaptations
D. traits
Select your answer:
Topics:
Pulmonary Edema and CHF Microbio (Viruses) Innate Immunity Circulatory System BTEC Biological Approach Revise ICU A Treat For Mosquitoes Coronary Heart Diseases Eye or Nose Injuries Nervous System/Endocrine System Body System Interactions The Cardiovascular System OCR A-level Nail Enhancement Personal Growth Plan Cell Biology & BiotechnologyOther quiz:
Nutrition › ViewOne half of your plate should be
A. Protein
B. Dairy
C. Grains
D. Fruits and Vegetables
Lungs › View
The air sacs in our lungs are called:
A. bronchioles
B. bronchus
C. alveoli
D. tracheas