Westions 12 to 29, choose the best answer Demographic transition is the shift from
A. Low birth and death rates to high birth and death rates
B. High birth and death rates to moderate birth and death rates
C. High birth and death rates to low birth and death rates
D. Moderate birth and death rates to high birth and death rates
Population momentum is
A. The continued growth that occurs when there is increased fertility.
B. The continued growth that occurs in spite of declined fertility.
C. The continued growth that occurs whether there is increased or declined
D. None of the above.
Age structure of a population
A. Conceals socioeconomic trends.
Shows socioeconomic trends.
trends.

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.