Which of the following methods will provide information to an ecologist about both the size and density of a population?
- mark and recapture
- mark and release
- quadrat
- life table
Which of the following is best at showing the life expectancy of an individual within a population?
- quadrat
- mark and recapture
- survivorship curve
- life table
Human populations have which type of survivorship curve?
- Type I
- Type II
- Type III
- Type IV
Species with limited resources usually exhibit a(n) ________ growth curve.
- logistic
- logical
- experimental
- exponential
The maximum growth rate characteristic of a species is called its ________.
- limit
- carrying capacity
- biotic potential
- exponential growth pattern
The population size of a species capable of being supported by the environment is called its ________.
- limit
- carrying capacity
- biotic potential
- logistic growth pattern
Species that have many offspring at one time are usually:
- r-selected
- K-selected
- both r- and K-selected
- not selected
A forest fire is an example of ________ regulation.
- density-dependent
- density-independent
- r-selected
- K-selected
A country with zero population growth is likely to be ________.
- in Africa
- in Asia
- economically developed
- economically underdeveloped
Which type of country has the greatest proportion of young individuals?
- economically developed
- economically underdeveloped
- countries with zero population growth
- countries in Europe
Which of the following is underlinenotend underline a way that humans have increased the carrying capacity of the environment?
- agriculture
- using large amounts of natural resources
- domestication of animals
- use of language
The first species to live on new land, such as that formed from volcanic lava, are called________.
- climax community
- keystone species
- foundation species
- pioneer species
A symbiotic relationship where both of the co-existing species benefit from the interaction is called ________.
- commensalism
- parasitism
- mutualism
- communism
When an invasive species alters the community structure it is introduced to, what can the consequence be?
- extinction of economically important species
- reduced predation on some native species
- increased predation on some native species
- all of the above