Evolution And Gene Frequencies - Zoology | Biology+

Course

Animal Biology

Study Pack

Set 1: Zoology: an Evolutionary and Ecological Perspective

Set 2: Cells, tissues, organs, and Organ Systems of Animals

Set 3: Cell Division and Inheritance

Set 4: Evolution: History and Evidence

Set 5: Evolution and Gene Frequencies

Set 6: Ecology: Preserving the Animal Kingdom

Set 7: Animal Taxonomy, phylogeny, and Organization

Set 8: Animal-Like Protists: the Protozoa

Set 9: Multicellular and Tissue Levels of Organization

Set 10: The Smaller Lophotrochozoan Phyla

Set 11: Molluscan Success

Set 12: Annelida: the Metameric Body Form

Set 13: The Smaller Ecdysozoan Phyla

Set 14: The Arthropods: Blueprint for Success

Set 15: The Pancrustacea: Crustacea and Hexapoda

Set 16: Ambulacraria: Echinoderms and Hemichordates

Set 17: Chordata: Urochordata and Cephalochordata

Set 18: The Fishes: Vertebrate Success in Water

Set 19: Amphibians: the First Terrestrial Vertebrates

Set 20: Reptiles: Diapsid Amniotes

Set 21: Birds: Reptiles by Another Name

Set 22: Mammals: Synapsid Amniotes

Set 23: Protection, support, and Movement

Set 24: Communication I: Nervous and Sensory Systems

Set 25: Communication II: the Endocrine System and Chemical Messengers

Set 26: Circulation and Gas Exchange

Set 27: Nutrition and Digestion

Set 28: Temperature and Body Fluid Regulation

Set 29: Reproduction and Development

Set 5 Evolution And Gene Frequencies

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Set 5 Evolution And Gene Frequencies

(Multiple Choice)

Free

The work of Peter and Rosemary Grant,on morphological changes in the bills of Galápagos finches,shows that evolution can be

A)convergent.
B)rapid.
C)divergent.
D)gradual.
E)sympatric.

Answer

(Multiple Choice)

Free

Genetic drift is most likely to have noticeable effects in:

A)large populations where migration occurs regularly.
B)small populations where migration occurs regularly.
C)large populations where mutation occurs regularly.
D)small, isolated populations.
E)small populations where mutation and migration occur regularly.

Answer

(Multiple Choice)

Free

The unusual gene frequencies of the Dunker population of eastern Pennsylvania are due to this phenomenon,which is seen frequently when small groups with unrepresentative gene frequencies break off from a larger population.

A)unidirectional selection
B)population bottleneck
C)neutral allele
D)disruptive selection
E)founder effect

Answer