TLS Online TPP Program

#Question id: 8689


Which of the following statements best describes the rationale for applying the principle of maximum parsimony in constructing phylogenetic trees?

#Section 2: Evolution
  1. Parsimony allows the researcher to "root" the tree.
  2. Similarity due to common ancestry should be more common than similarity due to convergent evolution.
  3. The molecular clock validates the principle of parsimony.
  4. The outgroup roots the tree, allowing the principle of parsimony to be applied.
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TLS Online TPP Program

#Question id: 11764

#Section 1: Ecology

The mathematical model for geometric growth of a population is identical to the model for exponential growth, except that __________ in the geometric model.

TLS Online TPP Program

#Question id: 11765

#Section 1: Ecology

The population density of a particular insect species was determined to be 15,000 adults per hectare in the summer of 1996, 21,000 adults per hectare in the summer of 1997, and 29,400 adults per hectare in the summer of 1998. Based on these population estimates, what is your estimate of λ, the annual rate of geometric growth?

TLS Online TPP Program

#Question id: 11766

#Section 1: Ecology

The population density of a particular insect species was determined to be 15,000 adults per hectare in the summer of 1996, 21,000 adults per hectare in the summer of 1997, and 29,400 adults per hectare in the summer of 1998.

What would you expect the insect population to be in the summer of 2000, assuming no change in λ?

TLS Online TPP Program

#Question id: 11767

#Section 1: Ecology

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

TLS Online TPP Program

#Question id: 11768

#Section 1: Ecology

As documented by peter and rosemary grant, the population of the medium ground finch on the tiny island of Daphne major in the Galápagos archipelago responded how to changes in food resources associated with climate changes:

TLS Online TPP Program

#Question id: 11769

#Section 1: Ecology

Which term refers to the outward expression of an individual’s unique genetic constitution in their structure and function?