Which statement about analogies is correct?
a. They occur only as errors.
b. They are synonymous with homologous traits.
c. They are derived by similar environmental constraints.
d. They are a form of mutation.
Answer: c. They are derived by similar environmental constraints.
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What is population variation?
a. variation between two adjacent populations b. variation that results from two populations mixing and interbreeding c. the distribution of phenotypes among individuals in a population d. a gradient of change from one edge of a population to the other
Which of the following statements is incorrect about shigellosis?
A. It frequently complicates to sepsis. B. Outbreaks have occurred in day care centers. C. It is also called dysentery. D. Symptoms include watery diarrhea with bloody, mucoid stools and abdominal cramps. E. Human carriers cause fecal transmission.
Species that are r-strategists are usually larger than those that are K-strategists
Indicate whether the statement is true or false
The method of reasoning that uses construction of general principles by careful examination of many specific cases is called:
A. hypothetical reasoning. B. theoretical reasoning. C. inductive reasoning. D. deductive reasoning. E. experimental reasoning.