What is a population?
a group of individuals of a single species that occupy the same general area at the same time
Herbivory is an example of a ________ interaction.
NOT!!! +/+
Why are most food chains limited to three to five trophic levels?
There is insufficient energy to support more trophic levels.
Which of these organisms convert atmospheric nitrogen gas to a form that can be utilized by plants?
bacteria
Species found in only one place on Earth are called ________ species.
endemic
Species that exhibit an equilibrial life history typically ________.
have long lives
Which of these is a characteristic of Type I survivorship?
Most individuals survive to older age intervals.
Opportunistic species typically ________.
have a large number of offspring
Most crop pests ________.
have an opportunistic life history
Chinese privet is a plant that is native to China. Over 150 years ago, Chinese privet was introduced to the United States as a fast-growing shrub that serves as an excellent privacy hedge. With no natural predators, Chinese privet quickly established itself and spread in natural areas throughout the southeast and eastern seaboard of the United States. Its dominance in these areas has jeopardized the survival of native plant species. Chinese privet provides evidence that ________.
introducing non-native organisms can cause environmental damage