TLS Online TPP Program

#Question id: 11170


Which of the following examples is not a behavioural defense against predators?

#Section 1: Ecology
  1. A green grasshopper that remains motionless in tall grass.
  2. The alarm call of belding’s ground squirrels when a hawk flies overhead
  3. The "diving" reaction of a moth in flight when it detects a bat
  4. All of these are examples of behavioural defenses
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TLS Online TPP Program

#Question id: 16803

#Section 4: Behavioural Ecology

At what height does a person experience altitude sickness?

TLS Online TPP Program

#Question id: 8290

#Section 2: Evolution

If, someday, an archaean cell is discovered whose rRNA sequence is more similar to that of humans than the sequence of mouse rRNA is to that of humans, the best explanation for this apparent discrepancy would be ________.

TLS Online TPP Program

#Question id: 3489

#Section 4: Behavioural Ecology

 In a bird species A, the male alone builds the nest, incubates the eggs and feeds the nestling. In bird species B, it is the female that does all that. In bird species C, both sexes contribute equally to the above activities. In species A and B, the uninvolved partner may fly away and mate again. Which sex among A, B and C is most likely to develop colorful plumage during breeding season?

TLS Online TPP Program

#Question id: 3489

#Section 2: Evolution

 In a bird species A, the male alone builds the nest, incubates the eggs and feeds the nestling. In bird species B, it is the female that does all that. In bird species C, both sexes contribute equally to the above activities. In species A and B, the uninvolved partner may fly away and mate again. Which sex among A, B and C is most likely to develop colorful plumage during breeding season?

TLS Online TPP Program

#Question id: 11355

#Section 1: Ecology

In the Lotka-Volterra population model for a prey population, dV/dt = rV - cVP, what is the meaning of the last term in the model (-cVP)?