CAS BI 108 Chapter Notes - Chapter 54: Interspecific Competition, Species Richness, Aposematism
Document Summary
Describe different forms of positive and negative community interactions. Explain how pathogens, disturbances, and biogeography alter diversity of communities. Identify types of trophic interactions within a community. A community is a group of populations of different species that live in the same general. How an organism interacts with other members of its community is known as interspecific area and consequently interact with one another. 54. 1 types of community interactions interactions, and these interactions can be beneficial, neutral, or harmful. Positive effects such as symbiosis can have a net increase in population size of both organisms (+/+) whereas predation will have a net increase in one population and a net decrease in another (+/-). Interspecific competition is a (-/-) type of interaction, where multiple species need to compete for a specific resource resulting in an overall decrease in both of their population growth and survival rates.
