What is meant by the "unused portion of K"?
A: the density-dependent growth rate of a population
B: the total number of resources available to a population
C: the number of organisms still left to populate an environment
D: the maximum number of organisms tha an environment can support
A: the density-dependent growth rate of a population
B: the total number of resources available to a population
C: the number of organisms still left to populate an environment
D: the maximum number of organisms tha an environment can support
举一反三
- Age distribution is the number of individuals of each age in the population which influences greatly the rate of population growth。 （ ）
- Population density is the total of people in a country， which does not relate the size of the population to the resources available。 （ ）
- The influence of weights on the weighted arithmetic mean is determined by () A: Value size of each group of character values B: What is the absolute number of weights C: Proportion of the number of units in each group to the population number of units D: What is the population number of units
- The total amount of environmental load in a region can be expressed as the per capita environmental load multiplied by the number of population in the region
- The influence of weight on weighted arithmetic mean depends on ( ) A: Value size of each group of character values B: What is the absolute number of weights C: Proportion of units in each group to total units D: What is the population number of units