Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 57084
TLS Online TPP Program

#Question id: 3400

Which of the following influence effective population size?

a. Sex ratio

b. variation between individuals in reproductive success

c. Fluctuations in population size

d. Small breeding group

#Unit 11. Evolution and Behavior

  1. Only a

  2. Only b and d       

  3. all  

  4. a, b & d only

More Questions
TLS Online TPP Program

#Question id: 19241

#Unit 12. Applied Biology

The GUS gene encodes a stable enzyme that is not normally present in plants and that catalyzes the cleavage of a range of 
TLS Online TPP Program

#Question id: 16968

#Unit 11. Evolution and Behavior

Parallel evolution is a term that has been used to describe cases in which independent evolution of a character state is thought to have similar genetic and developmental bases, especially in closely related species. Which statements is true for
TLS Online TPP Program

#Question id: 2985

#Unit 2. Cellular Organization

Use the figure to answer the question below. The unlettered circle at the top of the figure shows a diploid nucleus with four chromosomes that have not yet replicated. There are two pairs of homologous chromosomes, one long and the other short. One haploid set is black, and the other is gray. The circles labeled A to E show various combinations of these chromosomes. What is the correct chromosomal condition for one daughter nucleus at telophase of mitosis? 
TLS Online TPP Program

#Question id: 21004

#Unit 12. Applied Biology

What is phytoremediation ?
TLS Online TPP Program

#Question id: 13182

#Unit 10. Ecological Principles

The MacArthur-Wilson equilibrium model of island biogeography predicts the number of species found on islands. The figure below depicts two volcanic islands located off a section of mainland coast.

The MacArthur-Wilson model predicts that the relative numbers of bird species on the mainland and two islands would be