1. Most sharks have a low reproductive potential which of the following factors might contribute to this?
A. Long reproductive cycles (long period. Of time between mating cycles).
B. Slow growth and delayed maturation.
C. Small brood (amount of young) sizes.
D. All of the above
2. Which of the following may cause the carrying capacity of an ecosystem to change ?
A. A dam diverts a large portion of the river
B. A logging company removed acres of trees.
C. A disease come through and wipes out 80% of the wild berries.
D. All of the above.
3. Which of the following would not be the most likely cause of a large number of density-dependent deaths in population?
A. Winter storms.
B. Diseases-carrying insects
C. Predators
D. Limited resources
4. Infant mortality rates are least affected by
A. Average income
B. Patients access to education
C. Clean water
D. Adequate food