Which of the following characteristics of living things best explains why some North American birds fly south for the winter?
A. evolution
B. response to the environment
C. energy and ability to metabolize
D. reproduction
Select your answer:
Topics:
Degeneration Pathology A Treat For Mosquitoes ICU Transportation Humanistic and Biological Psychology Sense of Sight Nutrition - Digestive System Physical Education and Health Thrombosis, Emboliya Properties of Hair and Scalp Integumentary and Musculoskeletal Systems Radiography Health Issues and Concerns Introduction to Pharmacology Serology/Blood TypingOther quiz:
Properties of Hair and Scalp › ViewWhen the scales are closed the hair has ______ _______
A. great porosity
B. good porosity
C. poor porosity
D. high porosity
Genetics › View
Y for yellow body is dominant over y for blue body. What alleles would produce yellow bodies?
A. YY,yy
B. Yy,yy
C. YY only
D. YY,Yy