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TLS Online TPP Program

#Question id: 8851

Why is territoriality an adaptive behavior for songbirds maintaining populations at or near their carrying capacity?

#9. Diversity of Life Forms
  1. Songbirds expend a tremendous amount of energy defending territories so that they spend less time feeding their young and fledgling mortality increases.
  2. Only the fittest males defend territories and they attract the fittest females so the best genes are conveyed to the next generation.
  3. Songbird males defend territories commensurate with the size from which they can derive adequate resources for themselves, their mate, and their chicks.

  4. Many individuals are killed in the ritualistic conflicts that go along with territorial defense.

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TLS Online TPP Program

#Question id: 1025

#4. Cell Communication and Cell Signaling

Which molecules are associated with the cell wall of Gram-positive bacteria?
TLS Online TPP Program

#Question id: 11576

#7. System Physiology – Animal

The amino acid tyrosine is a starting substrate for the synthesis of :
TLS Online TPP Program

#Question id: 11021

#7. System Physiology – Animal

A 75-year-old man goes to the hospital emergency department and faints. Five minutes later he is alert. An EKG shows 75 P waves per minute and 35 QRS waves per minute with a normal QRS width. Which of the following is the likely diagnosis?
TLS Online TPP Program

#Question id: 16781

#13. Methods in Biology

At Dunkin Donuts the number of donut holes in a bag can vary. Help Donald find the mode. 12,10,10,10,13,12,11,13,10
TLS Online TPP Program

#Question id: 8695

#9. Diversity of Life Forms

Phylogenetic trees constructed from evidence from molecular systematics are based on similarities in ________.