Birds Flashcards
1
Q
birds
A
Aves
approx 10000 species
all birds have feathers
2
Q
characteristics of all bids
A
uniformity of structure feather forelimbs modified into wings keratinized beaks oviporous
3
Q
Bords evolved from?
A
Archeopteryx
4
Q
2 groups of living birds
A
paleognathae :large flightless birds
Neognathae: all other birds
5
Q
types of feathers
A
down feathers
powder downs
filoplumes
contour feathers
6
Q
types of contour feathers
A
Remiges : flight feaathers often the lagest
Retrices
covets
7
Q
Types of covets
A
minor and major covets
abranchial covets
