TLS Online TPP Program

#Question id: 12377


The pattern of gap formation may influence species diversity.

#Section 1: Ecology
  1. Plants on rock that was exposed by a receding glacier
  2. Invertebrates and algae in desert streams
  3. Shade-tolerant trees in a tropical forest
  4. Plant species in a Mediterranean shrub community
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TLS Online TPP Program

#Question id: 3394

#Section 2: Evolution

All genetic drift arises from sampling error.  There are several different ways in which sampling error can arise as a following

a. Reduced population size      b. Founder effect

c. Genetic bottleneck                d. Differ in sex ratio

Which of the following above way cause sampling error in succeed generation?

TLS Online TPP Program

#Question id: 3393

#Section 2: Evolution

Natural Selection can maintain a polymorphism when

a. heterozygote is fitter than the homozygote

b. Fitnesses of genotypes are negatively frequency dependent.

c. Fitnesses of genotypes are positive frequency dependent.

d. One homozygote is fitter than the heterozygote

TLS Online TPP Program

#Question id: 3386

#Section 2: Evolution

Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of homology?

a) Dogs and wolves have very similar morphologies.

b) Convergent evolution has occurred.

c) Dogs and wolves not shared more recent common ancestor

d) Dogs and wolves shared a more recent common ancestor

TLS Online TPP Program

#Question id: 3383

#Section 2: Evolution

What does the study of analogous organ tell us about evolution?

A. This is the example of convergent evolution, occurred due to different group of organisms inhabiting same environments

B- Evolutionary change follow common pathway in two or more distinct species

C- Different organism get adopted to one environment

D- Similar group of organisms with mutations and variations getting naturally selected in different environments 

TLS Online TPP Program

#Question id: 3378

#Section 2: Evolution

Following certain conditions is present in a population?

A- Large Population

B- Each locus follows complete dominance

C- No reproductive advantage

D- No migration

E- No linkage between genes

Which of the following above condition allowed to validity of Hardy- Weinberg Prediction?

TLS Online TPP Program

#Question id: 3377

#Section 2: Evolution

To call a behavior altruistic, an evolutionary biologist will have to demonstrate that

A) These behavior is decrease the individual fitness of the donor and increases the individual fitness of the recipient

B) These behavior is increases the individual fitness of both the donor and the recipient

C) Overall increase the inclusive fitness of the population

D) These behavior depend on genetic relation

Which of the following above statement is correct?