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TLS Online TPP Program

#Question id: 12585

Agricultural lands frequently require nutritional supplementation because

#Section 5: Applied Ecology & Evolution
  1. Nitrogen-fixing bacteria and detrivores do not cycle nutrients as effectively as they do on wild lands. 
  2. The nutrients that enter the plants are not returned to the soil on lands where they are harvested. 
  3. The prairies that comprise good agricultural land tend to be nutrient-poor.
  4. Grains raised for feed must be fortified, and thus require additional nutrients.
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TLS Online TPP Program

#Question id: 10708

#Section 1: Ecology

Which of the following statements is a likely explanation for why invasive species take over communities into which they have been introduced?
TLS Online TPP Program

#Question id: 12459

#Section 1: Ecology

An example of an organism fitting a type I survivorship curve is:
TLS Online TPP Program

#Question id: 12687

#General Aptitude

 If the diagonals of two squares are in the ratio of 2 : 5, their area will be in the ratio of
TLS Online TPP Program

#Question id: 4935

#Section 2: Evolution

Which gas was least abundant in Earthʹs early atmosphere, prior to 2 billion years ago?
TLS Online TPP Program

#Question id: 10688

#Section 2: Evolution

For two species A and B in competition, the carrying capacities, competition coefficients, per capita growth rate and population size are

KA = 1000           KB = 1200    α of B= 1     β of A= .5       rB= .5         r A= .3                

AN= 500                  BN= 200

According to the Lotka-Volterra model, what is growth rate of species A?