VERTEBRATES

CICHLID -

has backbone, paired appendages (fins), dorsal nerve cord and aorta which are shared derived characters uniting the cichlid with frogs, turtles, kangaroos, mice, and humans.

FROG -

has all those plus legs.

TURTLE -

has all those plus a hard shelled egg called an amniotic egg.

KANGAROO -

all those plus hair, warm blood, and egg develops inside.

MOUSE -

all those plus placental development

HUMAN -

all those plus very large brain and loss of hair

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