Within minutes following a normal delivery, flow through the foramen ovale decreases dramatically. What is the cause of this change?

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#Question id: 18596

#Unit 11. Evolution and Behavior

First toothed birds appear in which geological time periods?

TLS Online TPP Program

#Question id: 9225

#Unit 9. Diversity of Life Forms

Use the following figure to answer the question

In looking at the species-area plot in the figure, what can be concluded?

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#Question id: 9268

#Unit 6. System Physiology – Plant

The most active photosynthetic tissue in higher plants is the

TLS Online TPP Program

#Question id: 4777

#Unit 8. Inheritance Biology

Two non allelic genes P and Q governed Glume color in sorghum.

P... qq  = blakish purple           P.. Q...  = raddish purple

pp Q...  = brown                      ppqq    =  brown  

A cross was allowed between PpQq and ppQq. What is proportional of their progeny with Blakish, Raddish and brown respectively? 

TLS Online TPP Program

#Question id: 10621

#Unit 10. Ecological Principles

One life history trait that is not characteristic of very small sized organisms is