TLS Online TPP Program

#Question id: 10244


Ecological niche modelling is used to predict the distributions of species. As a general rule, which of the following statements is true?

#Section 1: Ecology
  1. Distributions of species do not reflect the range of physical conditions that support the survival and reproduction of individuals
  2. The more suitable the conditions for a species, the denser its population, and the greater its productivity

  3. Changes over time in conditions such as temperature, precipitation, and salinity have not been shown to affect the distribution of marine fish species
  4. Global climate change always results in a decline in the number of species inhabiting a given area
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TLS Online TPP Program

#Question id: 15725

#Section 2: Evolution

Alfred Russel Wallace (1823–1913), who was collecting specimens in the Malay Archipelago, had independently conceived that

TLS Online TPP Program

#Question id: 4598

#Section 2: Evolution

Fossils of Thrinaxodon, a species that lived during the Triassic period, have been found in both South Africa and Antarctica. Thrinaxodon had a reptile-like skeleton and laid eggs, but small depressions on the front of its skull suggest it had whiskers and, therefore, fur. Thrinaxodon may have been warm-blooded. The fossils of Thrinaxodon are consistent with the hypothesis that ________.

TLS Online TPP Program

#Question id: 4606

#Section 2: Evolution

Which of the following evidence most strongly supports the common origin of all life on Earth? All organisms ________.

TLS Online TPP Program

#Question id: 4579

#Section 2: Evolution

About which of these did Darwin have a poor understanding?

TLS Online TPP Program

#Question id: 10617

#Section 2: Evolution

Suppose you discovered a new species of animal about which you know only two facts: Large clutch size and no parental care. Which of the following strategies is most likely to be true for this species?

TLS Online TPP Program

#Question id: 4930

#Section 2: Evolution

Which of the following is the correct sequence of events in the origin of life?

I. Formation of protocells

II. Synthesis of organic monomers

III. Synthesis of organic polymers

IV. Formation of DNA-based genetic systems