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TLS Online TPP Program

#Question id: 11380

Which of the following is/are NOT valid explanation(s) for the observed pattern of species richness?

#Unit 10. Ecological Principles
  1. Older communities are more species rich.

  2. Large areas support more species.

  3. Absence of Natural enemies, area with more species richness
  4. Greater productivity permits existence of more species
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TLS Online TPP Program

#Question id: 12563

#Unit 10. Ecological Principles

How does phosphorus normally enter ecosystems? 
TLS Online TPP Program

#Question id: 1548

#Unit 4. Cell Communication and Cell Signaling

B-cell survival in the follicle is dependent on?
TLS Online TPP Program

#Question id: 326

#Unit 1. Molecules and their Interaction Relevant to Biology

Dispersion force’s interaction energy is proportional to (take “r” as the distance between the two particles) ___________
TLS Online TPP Program

#Question id: 4985

#Unit 11. Evolution and Behavior

The loss of ventral spines by modern freshwater sticklebacks is due to natural selection operating on the phenotypic affects of Pitx1 gene
TLS Online TPP Program

#Question id: 15543

#Unit 8. Inheritance Biology

In Benzer's intragenic mapping experiments, what event was required to allow production of infectious phage from rII mutants?