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TLS Online TPP Program

#Question id: 10826

Gause's principle of competitive exclusion is, essentially,

#Section 2: Evolution
  1. The more abundant species will exclude the less abundant species through competition
  2. Competition for the same resources excludes species having different life styles
  3. No two species can occupy the same niche indefinitely when resources are limited
  4. Larger organisms exclude smaller ones through competition as in the case of large trees controlling underbrush
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TLS Online TPP Program

#Question id: 7701

#Section 2: Evolution

The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of ________
TLS Online TPP Program

#Question id: 12760

#Section 5: Applied Ecology & Evolution

Which of the examples below provides appropriate abiotic and biotic factors that might determine the distribution of the species in question?
TLS Online TPP Program

#Question id: 12451

#Section 1: Ecology

What type of population would be associated with a population pyramid that had an extremely broad base?
TLS Online TPP Program

#Question id: 4708

#Section 2: Evolution

The following questions refer to the figure below, which shows an outcrop of sedimentary rock whose strata are labeled A-D. If x indicates the fossils of two closely related species, neither of which is extinct, then their remains may be found in how many of these strata?
TLS Online TPP Program

#Question id: 4619

#Section 2: Evolution

Within six months of effectively using methicillin to treat S. aureus infections in a community, all new S.aureus infections were caused by MRSA. How can this best be explained?