____________ is the number of individuals of a species that can be maintained in an area， over time， without harming the habitat。 （ ）。
A: Vulnerability
B: Population
C: Carrying capacity
D: Sustainability
A: Vulnerability
B: Population
C: Carrying capacity
D: Sustainability
举一反三
- Which of the following will change as a population evolves? A: the frequency of reproduction among individuals B: the number of individuals with recessive phenotypes C: the size of a population D: the frequency of a particular allele
- Age distribution is the number of individuals of each age in the population which influences greatly the rate of population growth。 （ ）
- A: How many tonnes can the vessel load?B:____________________________? The vessel can load 50,000 tonnages.|The vessel can load 50,000 tonnes.|The carrying capacity of this vessel is 50,000 tonnage.|The carrying capacity of this vessel is 50,000 ton.
- What is the niche? A: The role or function of a particular species B: A place in where the individuals of population live C: An animal population living in the forest D: A group of populations living together
- Which term refers to the number of new cases of an infectious disease in a given area or population during a given period of time? A: prevalence: B: incidence, C: epidemic, D: endemic