Ecology and the Environment Page 1-56 6. (comprehension) Which of the following

Question

Ecology and the Environment Page 1-56 6. (comprehension) Which of the following best describes the term: carrying capacity? a. the maximum population that can be sustained on a long term basis b. the maximum population that can be sustained by a limited food supply c when the population grows too large parents carry their offspring into new d. the capacity of a population to survive in a specific habitat e. the capacity of populations to influence other organisms in the ecosystem You're a member of an influential African family that's been displaced from your home by civil war. You're trying to select a new country in Africa in which to settle to gain better economic opportunities. You know that Nigeria is a large country with rich natural resources and are considering it for your new home. You've learned some basic principles of population growth and checked the following diagram of the current age structure of the country 7. Based on the population pyramid for Nigena 2016 Nigeria, which of the following statements is most correct? a. the population will probably remain stable b. the population will probably decrease over c. the population will probably grow rapidly for several decades the next ten years over the next ten years the population will probably increase, but slowly over five-ten years the number of older people will increase rapidly over the next twenty years .. ""-d. e. 8. Based on the age structure of Nigeria, which of the following situations would be most likely over the next 20 years? a. strong economic gains stimulated by population growth b. a decreased demand for medical services due to the small number of elderly citizens c. a decline in housing prices based on lack of demand d. the country will come close to zero population growth e. an increased demand for resources based on population growth Human Biology: Condensed 02016 Education Resources

Explanation / Answer

6) Option A. The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment.

7) Option C. A steep triangular population graph depicts rapidly growing population. Since the number of people in the reproductive age group is large the population will swiftly grow over the next ten years.

8) Option e. A rapid surge in population will put increased pressure on the resources which are limited.

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