In a certain bird species, clutch size (the number of eggs laid by a female in one breeding season) ranges from four to eight, and the most frequent clutch size is six. This phenomenon is an example of
a. sexual selection.
b. stabilizing selection.
c. disruptive selection.
d. directional selection.
e. artificial selection.
b
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Propose a unique target for a drug that would inhibit replication of retroviruses in humans
What will be an ideal response?
The FBI currently determines an individual's DNA profile using:a
DNA sequencing. b. mitochondrial DNA variations. c. RFLPs. d. DNA ligation. e. 13 STR markers.
Trees and shrubs do not grow in temperate grasslands. Which of the following is an abiotic factor that prevents their growth?
a) permafrost b) heavy rainfall c) short growing season d) seasonal drought
Purification of waters while generating power and providing energy for monitoring environmental processes is an application of microbial fuel cells.
Answer the following statement true (T) or false (F)