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TLS Online TPP Program

#Question id: 3298

Which of the following is incorrect statement?

#Section 2: Evolution

  1. Natural selection is blind to the future: there is no consiousness or "purpose" behind it.

  2. Artificial selection has a conscious element driving the evolution of a species for some purpose

  3. Gene flow tends to homogenize allele frequencies between two or more populations that is the exact opposite of drift

  4. Alone, mutation is considered the strongest force of evolution

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TLS Online TPP Program

#Question id: 8923

#Section 2: Evolution

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?
TLS Online TPP Program

#Question id: 11979

#Section 1: Ecology

A female cat in heat urinates more often and in many places. Male cats congregate near the urine deposits and fight with each other. Which of the following is a proximate cause of this behaviour of increased urination?
TLS Online TPP Program

#Question id: 12295

#Section 1: Ecology

Which of these equations would give the growth rate of a population?
TLS Online TPP Program

#Question id: 3315

#Section 2: Evolution

Which one of the following statements is TRUE for Negative-frequency dependent selection?
TLS Online TPP Program

#Question id: 3355

#Section 2: Evolution

Speciation in ancestor as following way

A- Non-swimming populations separated by a river may gradually diverge because there is no gene flow between them

B- Plants commonly exhibit polyploidy, meaning they contain three or more sets of chromosomes

C- The tendency for two species to diverge in morphology and thus resource use because of competition

Which of the following above condition allowed to which type of speciation?