Calculate the estimated population size, N, given a study that initially marked 100 animals and subsequently captured 50, of which 25 were marked
A) 25
B) 100
C) 50
D) 200
D
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A wooded area is converted to a housing development and strip mall. Predict and briefly describe three (3) ways this change in land use could affect atmospheric carbon dioxide levels.
What will be an ideal response?
Short tandem repeats on ____ may be used to determine genetic relationships among male relatives and descendants
a. the Y chromosome b. chromosome 3 c. the X chromosome d. chromosome 8 e. chromosome 20
What is the function of the prostate secretions?
a. sperm maturation b. to provide sperm with energy c. to protect sperm from vaginal acidity d. to stimulate the release of LH e. to increase sperm motility
Assuming that the rate of sea-floor spreading was constant during the one-million-year period depicted above, on average Earth's magnetic field has undergone reversal once every _____
A) 25,000 years B) 100,000 years C) 250,000 years D) 1,000,000 years