Exam 13: Competition

Joseph Connell discovered that Balanus barnacles were excluded from the upper intertidal zone by ____________,while Chthalamus barnacles were excluded from the middle intertidal zone by ___________.

Gause's "competitive exclusion principle" states that

The process of evolution toward niche divergence in the face of competition is called ____________.

Within a species,all individuals have identical niches.

In the Lotka-Volterra competition equations,if $\alpha$ ₂₁ > 1,then

Research by James Byers on the relationship between a native and an invasive species of mud snail

Self-thinning in a stand of trees

If the isocline for species 1 lies above that of species 2,

In the Lotka-Volterra competition equations,the parameter $\alpha$ ₁₂ relates to the

Evolution of distinct niches in the presence of competition is called _____________.