Brainliest
feather type (pennaceous/ plumulaceous + function (flight/ insulation

contour

filoplume

tail

bristle

down

Down (plumaceous), (insulation)

Tail (pennaceous), (flight)

Contour (plumaceous/pennaceous), (flight/insulation)

Bristle (pennaceous), (flight)

Filoplume (pennaceous), (flight)

Hope this helps! :)

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands