According to the life table, the net reproductive rate R0 of this population is _____ and the population is ____________ in size.
A) 0.5; decreasing.
B) 0.5; stable.
C) 1.0; increasing.
D) 1.0; stable.
E) 5.0; increasing
Ans: D) 1.0; stable.
You might also like to view...
Myelination of neurons in the brain is the product of:
A. Schwann cells. B. oligodendrocytes. C. astrocytes. D. both Schwann cells and oligodendrites.
What is meant by the term cotransformation?
What will be an ideal response?
Figure 17.5
As the trees in England become less sooty due to pollution controls on factories, which of the moths in the accompanying figure will be selected against?
A. The dark moth on the dark tree B. The light moth on the light tree C. All of the light moths equally D. The dark moth on the light tree E. All of the dark moths equally
Which of the following statements about anabolic steroids is false?
A) They cause a general buildup of muscle mass. B) They often cause the body to reduce its normal output of sex hormones. C) They promote bone growth. D) They can stimulate mood swings and violent behavior.