TLS Online TPP Program

#Question id: 10239


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?

#Section 1: Ecology
  1. balanus is more resistant to desiccation than Chthamalus
  2. balanus outcompete Chthamalus over most of the rockface
  3. Chthamalus outcompete balanus over most of the rockface
  4. balanus has a larger fundamental niche than Chthamalus
More Questions
TLS Online TPP Program

#Question id: 3387

#Section 2: Evolution

Observe the following hypothetical populations Which of these populations, if any, is in Hardy-Weinberg equilibrium

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?