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Bio Chapter 4
| Question | Answer |
|---|---|
| _____ 1. Which organism follows an r-strategy for reproduction? A. human B. mayfly C. robin D. zebra | B. Mayfly |
| _____ 2. Which describes the current human population growth? A. decreasing growth and increasing rate of growth B. decreasing growth and rate of growth C. increasing growth and decreasing rate of growth D. increasing growth and rate of growth | C. increasing growth and decreasing rate of growth |
| _____ 3. Which is not used to describe a population of grizzly bears in Canada? A. demographic history B. geographic distribution C. overall growth rate D. population density | A. demographic history |
| _____ 4. Which is a characteristic of exponential population growth? A. Growth rate is inversely proportional to population size. B. Initial population growth is rapid. C. Resources are consumed exponentially during all phases. D. The lag phase fo | C. Resources are consumed exponentially during all phases. |
| _____ 5. Which could decrease the human carrying capacity? A. corrupt governments B. energy crisis C. epidemic disease D. unequally distributed resources | B. energy crisis |
| _______ 6. Which is an example of uniform dispersal? A. one large buffalo herd B. random elephant groups C. school of silverside fish D. territorial jaguar pairs | D. Territorial jaguar pairs |
| _______ 7. Which is a density-independent factor for a flock of Canada geese on a large lake? A. dwindling food supply B. infectious virus C. intestinal worms D. unusually cold winter | D. unusually cold winter |
| _______ 8. Which is an adverse effect of a negative-growth population trend? A. an excess burden on global natural resources B. inadequate financial resources to care for children C. too few jobs to support a large, young population D. too few wor | D. too few workers to support an aging population |
| _______ 9. Which might increase the human carrying capacity during the twenty-first century? A. changing reproductive patterns B. family planning strategies C. new technological advances D. widespread fatal diseases | C. new technological advances |
| An average of 78 Norway maple trees per hectare of deciduous forest is an example of ________. | Population density |
| Twenty gray squirrels moving out of a forest into a new ecosystem is an example of ____. | Migration |
| The movements of citizens fleeing their country to find political asylum in a neighboring country is part of the study of___ | demography. |
| The event that precipitated (preceded?)____ human population growth is called the Industrial revolution. | Exponential |
| The high birthrate in italy decades ago changing to a low rate today is an example of an ___. | Demographic Transition |
| When the birthrates and death rates of a country are equal, the country is experiencing _____. | ZPG zero growth rate. |
| Contrast density-dependent and density-independent factors. Provide examples with your answer. | Density dependent- depend on number of organisms in the population, ex. competition, disease, etc. Density independent- does not depend on the number of organisms in the population ex. weather events like drought, floods etc. |
| Predict the effect of an inexpensive AIDS vaccine on both regional and global population trends. | regionally populations would increase, Global population there would be no noticeable effect. |
| Consider the relationship between the expansion of women's rights in a country and its population growth. | as women go to work and wait longer to have children the population growth decreases. |
| Explain zero population growth | Natality=mortality (birth rate=death rate) |
| Infer An adult damselfish will vigorously defend a square meter patch of algae on a coral reef from other herbivores. This behavior ensures that reef algae is not overgrazed. Infer why the number of damselfish on the reef is limited by the surface area of | The damselfish eat the algae but also protect the coral reef because the algae grows so the size of the reef limits their food. the damselfish are a density dependent factor for the algae population. the more damsel fish eat the algae the smaller the alga |
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gisellearenas