BIO-310 TESU EXAM 1- Chapter 1; Questions
and Answers 100% Correct
Miacidae Family- Correct answer-Diverse group of predatory mammals. Small & tree
dwelling. 62 million years ago. Formed the ancestral family for all Carivora. Walked on
palms/soles (plantigrade), long bodies, slim, carnassial...
BIO-310 TESU EXAM 1- Chapter 1; Questions
and Answers 100% Correct
Miacidae Family- Correct answer-Diverse group of predatory mammals. Small & tree
dwelling. 62 million years ago. Formed the ancestral family for all Carivora. Walked on
palms/soles (plantigrade), long bodies, slim, carnassial teeth
Hesperocyon Correct answer-Western Dog; Oldest member of the canidae family. 36-38
million years ago. Long legged, agile, predator, walked on toes.
1st miacids.. 2nd miacines... 3rd .. hesperocyon.
Evolution of the Canidae Family Correct answer-Evolved in North America. Later,
migrated to Eurasia. Hesperocyon.. Leptocyon .. Tomarctus... dominate group of canids in
NA..modern day canid species.
Phyla Correct answer-Animalia
Class Correct answer-Mammalia
Order Correct answer-Carnivore
Family Correct answer-Caniae
Genus Correct answer-Canis
, BIO-310 TESU EXAM 1- Chapter 1; Questions
and Answers 100% Correct
Species Correct answer-Familaris
Domestication & Methods of Communication Correct answer-Posture that signals
aggression, dominance, submission, and fear .. level of stimulus that is necessary to evoke these
expressions, intensity and completeness. Significantly better at responding to human social
cues- gesturing, pointing, and gazing.
Process of Domestication Correct answer-breeding and containment of large groups of
animals are under the control of humans
Theory of Pedomorphosis Correct answer-the morphological and behavioral changes
from wolf-dog. Physical attributes- decreased body size, altered jaw size & strength, decreased
number and size of teeth, prominent forehead, shortened limbs, and diminished secondary
sexual characteristics in male. Neotenized- adaptability, subordinate behavior
Mesomorphic Remodeling Theory Correct answer-Traits of domestic dogs are not in
wolves. Arrested at some point during its adolescence or metamorphic period. Behavioral
flexibility and plasticity
Time Period of Domestication Correct answer-Late Mesolithic Period- 12,000-15,000
years ago
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