Multiple Choice
Birth and death rates are expressed as the number per _____ individuals per unit of time.
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50. Population Ecology
Population Demography
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The numbers of individuals in different age classes of a population is called the population's:
A
carrying capacity
B
growth rate
C
age structure
D
population density
Verified step by step guidance1
Understand the key terms in the problem: 'carrying capacity,' 'growth rate,' 'age structure,' and 'population density.' Each term has a specific meaning in population biology.
Define 'carrying capacity': This refers to the maximum number of individuals an environment can support sustainably, based on available resources.
Define 'growth rate': This is the rate at which a population increases or decreases in size over a specific period, often influenced by birth rates, death rates, immigration, and emigration.
Define 'population density': This is the number of individuals per unit area or volume in a given habitat.
Define 'age structure': This refers to the distribution of individuals among different age classes within a population. It provides insights into the reproductive potential and future growth trends of the population. Based on the definitions, the correct answer is 'age structure.'
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