Evolution Quiz

Which of the following would best determine whether two plant species share a recent common ancestor?

• DNA sequences

• Habitat distribution

• Stem lengths

• Flowering times

Which of the following is NOT a component of the evolutionary principles?

• The speed of evolution is not the same in different organisms

• The new species is not the most perfect form but specialized form

• Evolution is always from simple to complex

• Evolution occur in populations not is individuals

Larmarck is to "Inheritance of Acquired Characteristics" as Darwin is to …

• Divergence of related species

• Homologous structures

• Evolution by natural selection

• Speciation by common descent

• Individuals who are homozygous dominant

• Individuals who have lethal allele

• Individuals who are heterozygous dominant

• Individuals who are homozygous recessive

A population of sheep is in Hardy-Weinberg equilibrium. The allele for white wool (W) has an allele frequency of 0.19, and the allele for black wool (w) has an allele frequency of 0.81. How many percent Individuals who are heterozygous?

• 4%

• 31%

• 15%

• 66%

What is true of populations that are in Hardy-Weinberg equilibrium?

• Mating is random

• Natural selection is occurring

• The populations must be very small

• Organisms are constantly migrating

The strongest evidence for change over a long period of time comes from...

• DNA

• Fossils

• Embryo studies

• Direct observation of living species

The recessive allele b occurs with a frequency of 0.8 in a population of crabs that is in Hardy-Weinberg equilibrium. What is the frequency of homozygous dominant individuals?

• 0.8

• 0.64

• 0.04

• 0.32

Mutations can cause species to evolve quickly if the … changes

• Number of predators

• Breeding

• Environment

• Number of prey

Somewhere in a town with 10,000 of citizens, 4% of them are albino. The comparation of total people with  homozygote skin and normal heterozygote are...

• 6,400 and 1,600

• 6,400 and 3,200

• 3,200 and 1,600

• 3,200 and 400