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TLS Online TPP Program

#Question id: 4976

Which of these is the most likely explanation for the existence of dicynodont fossils on modern-day Antarctica?

#Unit 11. Evolution and Behavior

  1. They arrived there aboard ʺraftsʺ of vegetation, and quickly adapted to the bitterly cold climate.

  2. Earthʹs polar regions were once so warm (especially immediately after the ʺsnowball Earth periodʺ) that reptiles and mammal-like reptiles flourished there.

  3. The landmass that is now the Antarctic continent was formerly located at a more-northerly position, and was also united to other landmasses.

  4. Dicynodonts originated on the island continent of Antarctica and went extinct as the continent migrated to its current position at the South Pole.

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TLS Online TPP Program

#Question id: 8939

#Unit 9. Diversity of Life Forms

Cephalization is most closely associated with which of the following?
TLS Online TPP Program

#Question id: 3715

#Unit 3. Fundamental Processes

DNA polymerase III requires a/an ________ for synthesis of DNA to occur.
TLS Online TPP Program

#Question id: 5329

#Unit 8. Inheritance Biology

A sex-linked recessive allele c produces a red-green colorblindness in humans. A normal woman whose father was colorblind marries a colorblind man. What are the chances that the second child from this marriage will be a colorblind boy?
TLS Online TPP Program

#Question id: 11053

#Unit 10. Ecological Principles

The key difference between a territory and a home range is
TLS Online TPP Program

#Question id: 20399

#Unit 12. Applied Biology

In T-DNA where are these right border and left border sequence present?