TLS Online TPP Program

#Question id: 12978


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

#Unit 10. Ecological Principles
  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 re- sources 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: 10559

#Unit 6. System Physiology – Plant

which gives water a high tensile strength,

TLS Online TPP Program

#Question id: 10560

#Unit 6. System Physiology – Plant

If a tiny gas bubble forms in a column of water under tension, the gas bubble may expand indefinitely, with the result that the tension in the liquid phase collapses, it can have a devastating effect on water transport through the xylem a phenomenon known as

TLS Online TPP Program

#Question id: 10561

#Unit 6. System Physiology – Plant

Integral membrane proteins that form water-selective channels across the membrane, Because water diffuses faster through such channels than through a lipid bilayer

TLS Online TPP Program

#Question id: 10562

#Unit 6. System Physiology – Plant

The direction and rate of water flow across a membrane are determined by

TLS Online TPP Program

#Question id: 10563

#Unit 6. System Physiology – Plant

The rate of diffusion depend upon

TLS Online TPP Program

#Question id: 10564

#Unit 6. System Physiology – Plant

The term Ys , called the solute potential or the osmotic potential, represents the effect of dissolved solutes on water potential,

a) The mixing of solutes and water reduces the disorder of the system and thereby lowers free energy

b) Solutes reduce the free energy of water by diluting the water

c) The mixing of solutes and water increases the disorder of the system and thereby lowers free energy

d) Solutes increases the free energy of water by diluting the water

 Which one of the following statements are INCORRECT?