Exam 14: Interspecific Competition

Differences among species may relate to adaptation for the ability to exploit a certain environment or range of resources independent of competition.

Studying competition in the laboratory is more complex than studying competition in the field.

The competitive exclusion principle assumes that the competing species have exactly the same resource requirements.

The competitive exclusion principle assumes that the

Interspecific ________ occurs when the competition for space between two species influences access to food and nesting sites.

Interspecific competition involves individuals of two or more species vying for the same limited ________.

Competitive release is most likely to occur when a

________ competition results when non-territorial behavioral interactions between two species result in negative effects on both species.

Various species of scavengers fighting over the carcass of a dead animal is referred to as

As environmental conditions change,the relative competitive abilities of species change very little.

Competition for one resource often influences the ability of an organism to access other resources.

Preemptive competition occurs primarily among mobile organisms,such as small mammals.

A shift in the morphology,behavior,or physiology of a species in response to resource competition is referred to as ________ displacement.

A relationship that affects the populations of two or more species adversely is referred to as ________ competition.

According to the Lotka-Volterra equations,when two species compete for the same resource,one or the other species eventually wins,driving the other to extinction.

Because of interspecific competition,species do not always occupy the part of their fundamental niche where conditions yield the highest growth rate,reproduction,or fitness.

Competition has been regarded as a major force behind species divergence and specialization.

The Lotka-Volterra equations predict the outcomes of ________ competition under different conditions.

Climatic variation can function as a density-independent limitation on population density.

Chemical interaction competition in plants is called ________.