Chapter 16.2 Flashcards
Consisting of all the organisms living together in a particular habitat area
community
what can be thought of as the role or “job” of the species ?
ecological niche
the complex linkage among organisms inhabiting different niches in a community is often referred to as a
food web
An interaction between two species that benefit each other is called
mutualism
a relationship in which one species benefits and the other is unaffected is called
commensalism
infectious organisms that cause disease or drain energy from their hosts.
parasites
A species that survives by eating another species is typically referred to as a
predator
When two species of organisms both require the same resources for life, they will be in _________ for the resources within a habitat.
competition
Most competitive interactions are _______.
invisible
________ competition is often essential to the health of both people and ecological communities.
microbial
_________ is a leading cause of food-borne illness in the United States.
Salmonella
4 to 6 hundred Americans die as a result of ________ infection every year.
Salmonella
Some poultry producers now intentionally infect hens’ digestive systems with harmless bacteria which is a practice known as
competitive exclusion
