Convergent evolution occurs when two species living in
A. different areas evolve similarities through natural selection acting on those characteristics.
B. the same area become reproductively isolated.
C. different areas become reestablished and are able to reproduce.
D. the same area are competing for the same resource thus causing one to evolve away from the other.
Answer: A
You might also like to view...
The active ingredient orlistat acts to decrease the amount of fat that is absorbed by attaching to enzymes that digest fat. Which of the following are potential targets of orlistat?
A) salivary amylase B) pepsidase C) pancreatic lipase D) secretin
Water flowing back and forth across the gills of fish is known as _____
a. capillary movement b. counter current exchange c. deoxygenation d. pharyngeal movement e. gill slits
Which molecule contains a binding site for the attachment of myosin heads?
A) Myoglobin B) Tropomyosin C) Actin D) Troponin
Examine Type 4 hypersensitivities by completing the sentence. Finally, host rejection of grafted tissue can occur due to __________-mediated reactions, while _________ occurs when passenger cells in the grafted tissue attack host cells.
A) Xenografts B) Delayed C) Autografts D) Contact dermatitis E) MHC 1 F) T G) Tuberculin H) Allografts I) GVHD J) Type 4