TLS Online TPP Program

#Question id: 10241


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

#Section 1: Ecology
  1. Occupy the same habitat and the same niche
  2. Occupy the same niche but different habitats
  3. Occupy different habitats and different niches
  4. Occupy the same habitat but different niches

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TLS Online TPP Program

#Question id: 3388

#Section 2: Evolution

This graphical presentation emphasizes following important consequences of the Hardy-Weinberg principle.

 a. The frequency of heterozygous is highest when p equal to q

b. Rare alleles are found primarily in heterozygotes

c. This frequency distribution will not change from generation to generation once a population is in Hardy-Weinberg equilibrium

d. The equal distribution of genotypes when p equal to q

Which of the following is correct?

TLS Online TPP Program

#Question id: 3390

#Section 2: Evolution

The average numbers of offspring produced by three genotypes are: GG = 60; Gg = 30, gg = 20. What is the selection coefficient of gg?

TLS Online TPP Program

#Question id: 3392

#Section 2: Evolution

Color blindness is X linked recessive disorder. X+ chromosome carry a normal allele but Xc chromosome carries defective allele. When frequency of colorblindness female (0.10), colorblind male (0.30) and heterozygous female (0.20). Random matting population, what will be frequency of carrier female?

TLS Online TPP Program

#Question id: 3395

#Section 2: Evolution

The Hardy-Weinberg principle states that allele frequencies in a population will remain constant over generations if certain assumptions are met.

A. Random mating

B. Sexual selection

C. Migration

D. Large population size

E. Reproductive isolated from other population

F. Linkage of many genes

Which of the above factors will cause changes in allele frequencies overgenerations?

TLS Online TPP Program

#Question id: 3429

#Section 2: Evolution

Which of the following is a behavioral pattern that results from a proximate cause?

TLS Online TPP Program

#Question id: 3430

#Section 2: Evolution

The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by