1. In which of the following pairs do both organisms belong to the same population?

1. 1. In which of the following pairs do both organisms belong to the same population? • A) a rose and a carnation • B) a zebra and a horse • C) two residents of New York City • D) two similar species of monkey

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3. 2. Which of the following populations has a random dispersion? • A) herd of sheep • B) clover in a field • C) school of fish • D) mountain lion

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5. 3.The growth rate of a population of geese will probably increase within a year if __________. • A) more birds die than are hatched • B) several females begin laying eggs at a younger age • C) most females lay two eggs instead of three during a nesting season • D) some birds get lost during migration.

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7. 4. Which factor contributed the most to the exponential growth of the human population? • A) higher fertility rates • B) more food, better hygiene • C) increased immigration • D) higher birth rates

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9. 5. A population will most likely deplete the resources of its environment if the population • A) must share resources with many other species. • B) moves frequently from one habitat to another. • C) grows beyond carrying capacity. • D) has a low reproductive potential.

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11. 6. Which of the following would cause a population to decrease in a region. • A) increased survivorship • B) increased fertility rates • C) decreased emigration • D) decreased immigration

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13. 7. Which of the following is an example of coevolution? • A) wolves that compete with each other for territory • B) bacteria that suddenly mutate in a lab • C) flowers that can be pollinated by only one species of insect • D) rabbits that invade a new habitat

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15. 8. Which of the following has the highest reproductive potential? • A) spiders • B) bacteria • C) polar bears • D) cats

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17. 9. An example of a population is • A) all the animals in the pond • B) all the plants and animals in the pond • C) all the bass in the ponds of Maryland and Pennsylvania • D) all the bass in a pond

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19. 10. Which countries have Type I survivorship? • A) the most developed countries • B) the least developed countries • C) countries in the second stage of demographic transition • D) countries in the first stage of demographic transition

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21. 11. In this century, the world population is likely to • A) remain the same. • B) continue to grow exponentially. • C) stabilize after fertility rates fall below replacement level. • D) decline rapidly because fertility rates are below replacement level.

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23. 12. Educating women worldwide has lowered birthrates partly because • A) educated women are stay-at-home moms. • B) educated women use family planning techniques. • C) educated women bear many children to ensure some will survive. • D) all of the above

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25. 13. An example of a cause of death that is density independent is • A) disease. • B) predation. • C) earthquakes. • D) limited resources.

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27. 14. When a resource is consumed at the same rate at which the ecosystem produces the resource, it is called the • A) final resource. • B) carrying resource. • C) capacity resource. • D) limiting resource.

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29. 15. A tree has moss growing on its bark. This relationship is known as • A) predation. • B) commensalism. • C) mutualism. • D) competition.

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