A) Archaeopteryx
B) Eusthenopteron
C) Seymouria
D) synapsids
E) therapods
Correct Answer
verified
Multiple Choice
A) mutations.
B) genetic drift.
C) gene flow.
D) nonrandom mating.
E) natural selection.
Correct Answer
verified
Multiple Choice
A) postzygotic isolation
B) temporal isolation
C) behavioral isolation
D) habitat isolation
E) mechanical isolation
Correct Answer
verified
Multiple Choice
A) makes life more interesting.
B) allows the species to survive if the environment changes.
C) means that the gene pool is constant and unchanging.
D) makes genetic drift an unlikely occurrence.
E) will lead to nonrandom mating.
Correct Answer
verified
Multiple Choice
A) continental drift or the movement of tectonic plates over time
B) amount of genetic similarity among current populations
C) ocean currents and wind patterns
D) ranges of animals and ability to migrate
E) the genetic makeup of organisms that evolved in separate but similar conditions
Correct Answer
verified
Multiple Choice
A) 0.75 right-handed homozygous dominant and 0.25 recessive homozygous for 3-to-1 right- to left-handed alleles in the population
B) 0.25 right-handed homozygous,0.50 heterozygous,and 0.25 recessive homozygous for a 3-to-1 right- to left-handed alleles in the population
C) 0.25 right-handed homozygous,0.50 heterozygous,and 0.25 recessive homozygous for a 0.5 allele frequency for each allele
D) 0.50 right-handed homozygous,0.25 heterozygous,and 0.25 recessive homozygous for a 0.5 allele frequency for each allele
E) They cannot be estimated using these limited data.
Correct Answer
verified
Multiple Choice
A) also 0.7
B) 0.49 or (0.07) 2
C) approximately 0.27 (square root of 0.7)
D) 0.3 (or 1.00 - 0.7)
E) 0.14
Correct Answer
verified
Multiple Choice
A) Stanley Miller
B) Graham Cairns-Smith
C) Thomas Malthus
D) Aleksandr Oparin
E) Sidney Fox
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) fossil record
B) biogeography
C) comparative anatomy
D) comparative embryology
E) comparative biochemistry
Correct Answer
verified
Multiple Choice
A) the fossil record.
B) biogeography.
C) comparative anatomy.
D) comparative embryology.
E) biochemistry.
Correct Answer
verified
Multiple Choice
A) 1.5
B) 2.5
C) 3.5
D) 4.5
E) 10
Correct Answer
verified
Multiple Choice
A) mutations.
B) genetic drift.
C) gene flow.
D) nonrandom mating.
E) natural selection.
Correct Answer
verified
Multiple Choice
A) the environment
B) the genetics of the individual
C) Both the environment and genetics are equally responsible for the evolution of an organism.
D) Neither the environment nor the genetics of an organism play a role in its evolution.
E) A creator would determine the evolution of an organism.
Correct Answer
verified
Multiple Choice
A) living things have been evolving toward the perfect form.
B) living things have begun reproducing.
C) living things have all evolved from a common ancestor.
D) life has recently begun to change through evolutionary processes.
E) life has evolved to become increasingly complex.
Correct Answer
verified
Multiple Choice
A) molecular data showing eukaryotes are much more closely related than previously thought.
B) structural data showing eukaryotes are far more diverse than previously thought.
C) molecular data showing prokaryotes are far more diverse than previously thought.
D) new biogeographical data showing prokaryotes are far more diverse than previously thought.
E) new classification concepts that have shown everything except molecular data to be irrelevant.
Correct Answer
verified
Multiple Choice
A) A South American species of finch is most likely the ancestor of the Galápagos Island finches.
B) Species do not change over time.
C) The environment can bring about inherited change in an individual.
D) All species share the same basic genetic and molecular makeup.
E) The earth is approximately 4.6 billion years old.
Correct Answer
verified
Multiple Choice
A) allelic changes in one direction are balanced by changes in the opposite direction.
B) there is no directional trend in selection of mates since most individuals marry someone.
C) individuals are not pairing up by chance across the whole population,and genetic drift is more likely to change gene frequencies.
D) this increases gene flow.
E) we accumulate adaptive traits that improve the population.
Correct Answer
verified
Multiple Choice
A) are the result of humans damaging the natural environment.
B) are the result of humans exploiting wildlife and using pesticides.
C) occurred in cycles when organisms fail to evolve.
D) have occurred about 4 or 5 times in fossil record,due in some cases to catastrophic changes.
E) require life to evolve again from protocells.
Correct Answer
verified
Multiple Choice
A) Young isolated at hatching will not know how to do this.
B) It is probably not "hardwired" in the brain as a behavior passed on genetically.
C) There must be a great advantage to reaching this food source for this learned behavior to be repeated by most descendants each generation.
D) As an acquired characteristic,in a strict sense this is not part of the adaptive radiation of finches on the Galápagos.
E) This "learned" behavior will not lead to evolutionary change in the woodpecker population.
Correct Answer
verified
Showing 41 - 60 of 87
Related Exams