TLS Online TPP Program

#Question id: 11161


The lakes of northern Minnesota are home to many similar species of damselflies of the genus Enallagma that have apparently undergone speciation from ancestral stock since the last glacial retreat about 10,000 years ago. Sequencing which of the following would probably be most useful in sorting out evolutionary relationships among these closely related species?

#XL - S Microbiology
  1. nuclear DNA
  2. mitochondrial DNA
  3. small nuclear RNA
  4. ribosomal RNA
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TLS Online TPP Program

#Question id: 10232

#XL - T Zoology

Which of the following is incorrect statement?

TLS Online TPP Program

#Question id: 10233

#XL - T Zoology

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

TLS Online TPP Program

#Question id: 10234

#XL - T Zoology

You observed the two species of barnacles, species 1 and species 2, occupy upper and lower strata of intertidal rocks, respectively. Only when species 1 was removed by you from the upper strata, species 2 could occupy both the upper and lower strata. From the choice given below what would be your inference from these observations.

TLS Online TPP Program

#Question id: 10236

#XL - T Zoology

Following figure represent fundamental and realized nich of species P and Q in gradient of temperature along sea shore. which of the following statement are correct? 


A) Fundamental niche of species P is greater than its realized nich

 B) Fundamental niche of species Q is greater than its realized nich

 C) Species Q is strong competitor than species P

 D) There is no effect on spaced occupied by Q in the presence or absence of species P

TLS Online TPP Program

#Question id: 10240

#XL - T Zoology

A consequence of resource partitioning

TLS Online TPP Program

#Question id: 10241

#XL - T Zoology

In an Asian rice paddy, carp eat decaying material from around the base of rice plants while a snail scrapes algae from the leaves, stems, and roots of the same plant. They can survive at the same time in the same rice paddy because they