Chapter 4: Flashcards
Intraspecific competition
Between members of the same species
Interspecific competition
Between 2 or more different species
Competitive exclusion
Occurs when one species excludes the other from resource use entirely
Species coexistence
Competing species that live side-by-side and reach a stable equilibrium point
Fundamental niche
The full niche of a species
Realized niche
Part of the fundamental niche that’s actually filled
Resource partitioning
Species use different resources or share resources in different ways
Character displacement
Competing species diverge in their physical characteristics
Predation
The process in which an individual of one species predator hunts, captures, and kills and consumes an individual of another species, its prey
Paritsm
A relationship in which one organism the parasite, depends on another, the host, for nourishment or some other benefit by doing the host harm
Parasitoids
Parasites that kill their host to survive
Coevolution
Hosting parasites that become a locked in a duel of escalating adaptation
Herbivory
Occurs when animals feed on the tissues of plants. It does not kill the host but damages it
Mutualism
Relationship in which two or more species benefit from interacting with one another
Symbiosis
Relationships between organisms that live in close physical contact
Amensalism
A relationship in which organism is harmed and the other is unaffected
Commensalism
Relationship that occurs when one organism benefits and the other is unaffected
Energy moves through the community’s…
Trophic levels
Products and autotrophs
First Trophic levels, contains phytosynthetic and chemosynthetic organisms