TLS Online TPP Program

#Question id: 10604


Which of the following statement are incorrect? 

#Section 1: Ecology
  1. r-selected plant produces more number of large seeds than k selected species
  2. K-selected species tend to be bigger, so they need more habitats in which to live
  3. K-selected species are those with a lower rate of population growth but better competitive ability at the other
  4. Per capita growth rates decreases as generation time’s increase
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TLS Online TPP Program

#Question id: 10608

#Section 2: Evolution

Which of the following above point in logistic growth curve show maximum per capita rate of increase?


TLS Online TPP Program

#Question id: 10659

#Section 2: Evolution

Ecological and crude density of fish prey in related with predator. Water level is drop during the dry season and further increases in a rainy season. Following some observation effect are present on their density

 A) Ecological density is not change with respect to water level       

 B) Ecological density is gradually decrease with low water level

 C) Crude density increases over ecological density during low water level             

 D) Ecological density increases while crude density decreases during low water level

 E) There is no effect on crude density with seasonal water level

 Which of the following above observation is correct?

TLS Online TPP Program

#Question id: 4599

#Section 2: Evolution

Many crustaceans (for example, lobsters, shrimp, and crayfish) use their tails to swim, but crabs have reduced tails that curl under their shells and are not used in swimming. This is an example of ________.

TLS Online TPP Program

#Question id: 3478

#Section 4: Behavioural Ecology

Natural selection may favour the evolution of foraging behaviours by predator that

TLS Online TPP Program

#Question id: 12155

#Section 2: Evolution

Under which of the following conditions do the mathematical models for competition tell us that coexistence of two competing species is most likely?