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TLS Online TPP Program

#Question id: 4980

If an increase in dicynodont species diversity (i.e., number of species) occurred soon after the Permian extinction, and if it occurred for the same general reason usually given for the increase in mammalian diversity following the Cretaceous extinction, then it should be attributed to

#Unit 11. Evolution and Behavior

  1. an innovation among the dicynodonts that allowed them to fill brand new niches.

  2. the availability of previously occupied niches.

  3. the extinction of the dinosaurs (except the birds).

  4. the evolution of humans.

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TLS Online TPP Program

#Question id: 11973

#Unit 7. System Physiology – Animal

The digestion of ________ begins in the stomach.
TLS Online TPP Program

#Question id: 4066

#Unit 3. Fundamental Processes

Specific DNA control elements in promoters can

a. interact with general transcription factors.

b. interact with repressor proteins. 

c. interact with activator proteins.

d. remain unavailable because of condensed chromatin.
TLS Online TPP Program

#Question id: 3618

#Unit 8. Inheritance Biology

Holandric genes ar
TLS Online TPP Program

#Question id: 5819

#Unit 8. Inheritance Biology

Individuals with Cockayne syndrome are more likely to:
TLS Online TPP Program

#Question id: 12012

#Unit 10. Ecological Principles

The average daily temperature change on an exposed south-facing slope and a north-facing slope for a late summer day in the Northern Hemisphere are shown below.

Compared with a south-facing slope, the climatic conditions on a north-facing slope favour the formation of a vegetation community best adapted to