Darwin's observation of vastly different species living in similar island environments led him to conclude that each
population had arisen separately from existing species on these islands, since the geographic isolation prevented migration
of species from the mainlands. This scenario is an example of ____.
a. biogeography
b. plate tectonics
c. comparative morphology
d. morphological convergence
e. homologous structures
ANSWER: a
You might also like to view...
Why was it important to infiltrate the leaf disks with liquid before performing this assay?
What will be an ideal response?
Excess UV light depletes the body of which vitamin?
a. folate b. vitamin A c. vitamin C d. vitamin D e. vitamin E
After the Krebs reactions run through _____ cycle(s), one glucose molecule has been completely broken down to CO2
a. one c. three b. two d. six
In some Greenland villages, nearly all recent newborns are female. Which range of PCB levels would you expect in those villages?
1.<1.0 µm/ml
2.1.0–1.9 µm/ml
3.2.0–4.0 µm/ml
4.>4.0 µm/ml