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TLS Online TPP Program

#Question id: 10671

The principle of competitive exclusion states that

#Section 2: Evolution
  1. Two species cannot coexist in the same habitat.
  2. Competition between two species always causes extinction or emigration of one species.

  3. Competition in a population promotes survival of the best adapted individuals.

  4. Two species that have exactly the same niche cannot coexist in a community

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TLS Online TPP Program

#Question id: 3483

#Section 2: Evolution

Which of the following statements about evolution of behavior is correct?

A) Natural selection will favor behavior that enhances survival and reproduction.

B) An animal may show behavior that maximizes reproductive fitness.

C) If a behavior is less than optimal, it is not completely evolved but will eventually,become optimal.
TLS Online TPP Program

#Question id: 11055

#Section 1: Ecology

Poison arrow frogs have brightly coloured skin patterns of blue, orange, yellow and red. This skin adornment is an example of what kind of defense against predation?
TLS Online TPP Program

#Question id: 12580

#Section 5: Applied Ecology & Evolution

When levels of CO2 are experimentally increased, C3 plants generally respond with a greater increase in productivity than C4 plants. This is because
TLS Online TPP Program

#Question id: 4581

#Section 2: Evolution

The Linnaeus classification system grouped organisms by ________.
TLS Online TPP Program

#Question id: 3341

#Section 2: Evolution

In a given population of 400 individuals, 64 percent of population is caused  cancer due to completely dominat allele B. Assuming the population is in Hardy- Weinberg equilibrium, which of the following is the expected proportion of individuals who are not expected to develop the cancer?