10. Lifetime and age determination Flashcards
Which is not a grade of domestication?
pre/semi production
reproduction
production
super production
reproduction
Which statement is false?
Re-domestication: when a feral population is used as a domestic one again (e.g. ostrich)
The monophyletic theory supposes that only one wild species was domesticated
Mating between domestic form and wild ancestor is not possible.
According to the polyphyletic theory more than one wild ancestral species were behind the domestic form
Mating between domestic form and wild ancestor is not possible.
Which statement is not true?
Early mature type of cattle are bred firstly over 2 years of age
Medium early mature type of heifers have the first delivery at 3 years of age
Early mature cattle calve firstly from 2 years of age
Late mature type female cattle are bred firstly over 3 years of age
Early mature type of cattle are bred firstly over 2 years of age
Which activity is not part of the domestication?
taming
transforming
hunting
breeding
hunting
Which is not true generally in the change of reproductive features on the course of domestication?
increased prolificacy
early maturity
ceasing of seasonality
an increase of sexual dimorphism
an increase of sexual dimorphism
Which role of the domestication is false?
it made mankind more or less independent of climate and natural resources
it was a milestone of the development of human biology, history and culture
man could put the nature more and more into his service with less and less limitation
domestication diminished the area of human life
domestication diminished the area of human life
How do you call the species which is returning back to the original habitat?
de-domesticated
preserved
rewilded
feral
preserved
What is valid for the following statement: an animal is ready for reproduction, if its use as breeding animal does not endanger itself as well as its progeny?
puberty
ripeness for utilization
sexual maturity
breeding maturity
breeding maturity
Which sentence is wrong?
Owing to metabolic discrepancies a stricture (horn ring) appears on the horns
Growth - in general, a quantitative increase in live weight and in size up to the full development of the body
Generation interval is a weighted time period being between the birth of parents and their grandchildren
Development - qualitative changes in the characteristics, set-up, and proportions of the body as well as in the function of certain organs
Generation interval is a weighted time period being between the birth of parents and their grandchildren
