The surgical removal of the seminal vesicles would likely _____
A) cause sterility because sperm would not be produced
B) cause sterility because sperm would not be able to exit the body
C) greatly reduce the volume of semen
D) cause the testes to migrate back into the abdominal cavity
C
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Connell conducted this experiment to learn more about _____
A) character displacement in the color of barnacles B) habitat preference in two different species of barnacles C) desiccation resistance and barnacle species D) how sea-level changes affect barnacle distribution E) competitive exclusion and distribution of barnacle species
Without the higher rates of transpiration exhibited by angiosperms:
A. many tropical regions would have higher temperatures and lower rainfall. B. many tropical regions would have lower temperatures and lower rainfall. C. many tropical regions would have lower temperatures and lower rainfall. D. many tropical regions would be deserts.
What does K permeability measure?
a. The amount of sucrose in the solution b. The permeability of the membrane c. The speed of the osmometer
You, as a cell biologist, discover that there is strong evidence that chloroplasts, found in plant and algal cells, are descended from bacteria but not eukaryotes. What theory would explain this finding?
A) endosymbiont B) macroevolution C) bottleneck D) back to front