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 ________.

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#Question id: 12340

#Unit 10. Ecological Principles

Keystone species are thought to have profound effects on the structure and composition of ecological communities because they

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#Question id: 2526

#Unit 2. Cellular Organization

cell walls essential and are important features of plant cells that perform a number of essential functions. Which of the following is not the characteristics of cell wall?

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#Question id: 7070

#Unit 5. Developmental Biology

The phenomenon, whereby animals change the relative time of appearance and rate of development of characters present in their ancestors, is called 

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#Question id: 6639

#General Aptitude

Choose the group of letters which is different from others.

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#Question id: 33456

#Unit 1. Molecules and their Interaction Relevant to Biology

Which nitrogenous base deaminated to produce uracil