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TLS Online TPP Program

#Question id: 11767

If a population has a stable age distribution, which of the following statements is true?

#Section 1: Ecology
  1. Each age class grows or declines at the same rate
  2. The growth rate of any age class is the same as that for the population as a whole
  3. The percentage of individuals in each age class remains constant
  4. All of the above
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TLS Online TPP Program

#Question id: 10571

#Section 1: Ecology

Uniform spacing patterns in plants such as the creosote bush are most often associated with
TLS Online TPP Program

#Question id: 11176

#Section 1: Ecology

Species that reproduce once and then die are ______ species.
TLS Online TPP Program

#Question id: 10688

#Section 1: Ecology

For two species A and B in competition, the carrying capacities, competition coefficients, per capita growth rate and population size are

KA = 1000           KB = 1200    α of B= 1     β of A= .5       rB= .5         r A= .3                

AN= 500                  BN= 200

According to the Lotka-Volterra model, what is growth rate of species A?
TLS Online TPP Program

#Question id: 3387

#Section 2: Evolution

Observe the following hypothetical populations Which of these populations, if any, is in Hardy-Weinberg equilibrium
TLS Online TPP Program

#Question id: 3404

#Section 2: Evolution

A graph shows the frequency distribution of the character (body size). B graph shows the relation between body size and fitness, within one generation, and the third the expected change in the average for the character over many generations (if body size is inherited). Which of the following correct figure for Average size with respect to time?