Quiz 6 and 7 Flashcards
1
Q
What are the 5 major plumages in ducks from hatch to adulthood?
A
alternate, supplemental, natal down, basic, juvenal
2
Q
in which step of the structured decision making process are data models created?
A
consequences
3
Q
what amino acids are more concentrated in feathers than in animal or plant proteins?
A
cystine and cysteine
4
Q
what is alternate plumage?
A
the colorful/breeding plumage in male ducks
5
Q
What are advantages of simultaneous remige molt?
A
- molt flight feathers in synchrony and regrow them to accommodate heavy wing loading for flight
- flight loss and regain of flight feathers nearly simultaneously
- wing loads are so high that losing 1-2 flight feathers will results in reduced lost flight
6
Q
A