Final Exam 1 - Env Science

The variety of organisms in a given area, the genetic variation within a population is _________.

• Biodiversity

• gene

• mutualism

• population

A ______ is a segment of DNA that is located in a chromosome and that codes for a specific hereditary trait

• density

• gene

• keystone species

• niche

A species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community is a _____________-

• invasive species

• population

• keystone species

• dispersion

A group of organisms of the same species that live in a specific geographical area and interbreed is a _________.

• ecosystem

• community

• population

• biosphere

The number of individuals of the same species that live in a given area is ______.

• density

• dispersion

• individual

• gene

In ecology, the pattern of distribution of organisms in a population is ________.

• density

• dispersion

• keystone species

• exponential growth

An expression of the increase in the size of an organism or population over a given period of time

• gene

• biodiversity

• parasatism

• growth rate

The maximum number of offspring that a given organism can produce is ____________.

• population

• reproductive potential

• commensalism

• competition

Logarithmic growth, or growth in which numbers increase by a certain factor in each successive time period is called ________________.

• exponential growth

• symbiosis

• density

• keystone species

The largest population that an environment can support at any given time

• niche

• mutualism

• carrying capacity

• ecological growth