TLS Online TPP Program

#Question id: 12959


Ozone layer depletion, since the 1970s, is primarily

#Section 5: Applied Ecology & Evolution
  1. Carbon dioxide               
  2.  Chlorofluorocarbons
  3. Global warming          
  4. UV 
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TLS Online TPP Program

#Question id: 3423

#Section 2: Evolution

Following statement regarding divergent evolution?

A- Spreading of same species to different and isolated environments which blocks the gene flow among the distinct populations

B. vertebrate limb of whale and elephant is one example of divergent evolution

C- Both orthologous genes and paralogous genes can be said to display divergent evolution

D- Sympatric speciation leads to divergence of one species in to two are more descendant species

Which of the following combination of above statement are correct?

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: 4712

#Section 2: Evolution

Which of these conditions are always true of populations evolving due to natural selection? Condition 1: The population must vary in traits that are heritable.

Condition 2: Some heritable traits must increase reproductive success.

Condition 3: Individuals pass on most traits that they acquire during their lifetime.

TLS Online TPP Program

#Question id: 12146

#Section 2: Evolution

Which of the following is not a density-dependent factor? 

TLS Online TPP Program

#Question id: 11184

#Section 1: Ecology

Eggs that develop into adults without being fertilized are