Animals let
Unit 25 Vertebrates
Speciation
Birds. Evolution and Classification Birds are Vertebrates of the Class Aves Birds are Vertebrates of the Class Aves The evolution of warm- blooded, has.
Intraspecific variation Variation accounted for by individual, age, and sex differences seen within every biological species.
Phylogenetics - Distance-Based Methods CIS 667 March 11, 2204.
In this unit we will continue to discuss the characteristics of aquatic animals categorized as vertebrates (animals with backbones) and focus on birds.
What is a bird? bird (bûrd) n. –Any of the class Aves of warm- blooded, egg-laying, feathered vertebrates with forelimbs modified to form wings. –Such.
25.1 Vertebrate Origins KEY CONCEPT All vertebrates share common characteristics.
Ornithology: Introduction A little over 9,700 bird species live in the world today.
Phylogenetics - Distance-Based Methods
