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TLS Online TPP Program

#Question id: 10233

Which of the following statements is the most appropriate define character displacement?

#Section 1: Ecology

  1. Two related species depending on the same prey species avoid competition by feeding at different times of the day.

  2. The body sizes of two related species are very similar when they are allopatric but in geographical areas of sympatric, one species is significantly smaller than the other
  3. The food niche of a species is generally wider in the absence of competing species than in their presence.
  4. Closely related species can coexist if their densities are regulated by a predator
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TLS Online TPP Program

#Question id: 16852

#General Aptitude

He bought a blue car on his birthday.
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? 
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: 3375

#Section 2: Evolution


Evolutionary force

Caused

A

Mutation

i

Increase genetic variation within population 

B

Genetic Drift

ii

Decrease genetic variation within population 

C

Migration 

iii

Decrease genetic variation between  population 

iv

Increase genetic variation between population 

Which of the following combination is correct?
TLS Online TPP Program

#Question id: 10239

#Section 1: Ecology

Two species of barnacle, balanus balanoides and Chthamalus stellatus, occur in the intertidal regions of Scotland. As following

 Which of the following statements is correct?