Which of the following is NOT a key factor influencing the process of natural selection?
Variation within a population
Inheritance of traits
Differential reproductive success
Equal survival rates for all individuals
Related Questions
Arrange the following events in a sequential order to describe the phenomenon of speciation
I. Over production rapid multiplication
II. Limited food and space
III. Struggle for existence
IV. Speciation
V. Inheritance of useful variation
VI. Natural selection/survival of the fittest
VII. Appearance of variation
The correct sequence is
I, II, III, V, VI, VII, IV
I, IV, II, III, VI, VII, V
I, II, IV, VI, III, VII, V
I, II, III, VII, VI, V, IV
Formation of more complex and specialized organisms from the simple and less elaborated forms is called
Retrogressive evolution
Progressive evolution
Microevolution
Macroevolution
Before Darwin, Lamarck had said that evolution of life forms had occurred but driven by
Inheritance characters
Use and disuse of organs
Natural selection
Mutations
Fossil X is older than fossil Y if
X was found deeper in sediment than Y
Y was found deeper in sediment than X
Y had less vestigial organs
Fossil Y had a homologous and analogous organs of X
The sequence of events in geographic speciation is most likely to be
Genetic divergence → geographic barrier → reproductive isolation
Geographic barrier → genetic divergence → reproductive isolation
Reproductive isolation → genetic divergence → geographic barrier
geographic barrier → reproductive isolation → Genetic divergence
Which of the following is NOT a consequence of genetic drift?
Loss of genetic variation
Random fluctuations in allele frequencies
Increased gene flow
Fixation of alleles
According to Hugo de Vries, the mechanism of evaluation is
Minor mutations
Multiple step mutations
Phenotypic variations
Saltation
Neo-geographic speciation can be found in
Populations that experience a sudden genetic mutation
Populations that remain in the same geographic area
Populations that have expanded into new geographic areas
Populations that undergo sympatric speciation
A change in the relative abundance of an allele (the allelic frquency) within a population, over a succession of generations is called
Micro-evolution
Macro-evolution
Co-evolution
Phylog-enetic evolution
Genetic drift is most likely to have a significant impact on which type of population?
Large and diverse
Small and isolated
Migratory populations
Populations with high mutation rates
