Researchers hypothesize that the hybrid zone of Bullock’s orioles and Baltimore orioles remains narrow because
hybrids ____.
a. are routinely eliminated by natural selection within the hybrid zone
b. prefer the moist habitats of the Baltimore oriole
c. prefer hotter and drier habitats of the Bullock’s oriole
d. are well adapted to both the dry habitats of the Bullock’s oriole and to the moist habitats of the Baltimore
oriole
e. are not well adapted to the dry habitats of the Bullock’s oriole or to the moist habitats of the Baltimore oriole
ANSWER: e
You might also like to view...
A cell with 36 chromosomes undergoes meiosis. The end result is ____________________
a. two cells with 36 chromosomes b. four cells with 36 chromosomes c. two cells with 18 chromosomes d. four cells with 18 chromosomes
Life is defined in this text to be a process that extracts energy from the surroundings, maintains itself, and modifies the surroundings to promote its own survival
a. True b. False Indicate whether the statement is true or false
In female mammals, most of the inactive X chromosome becomes:a
associated with histones. b. transcriptionally active. c. euchromatin. d. replicated. e. heterochromatin.
Which of the following is used to define a phenotypic characteristic resulting from the expression of two or more genes?
A. linked genes B. incomplete dominance C. pleiotropy D. polygenic inheritance