36+ Homologous Structures Images. Deep sea creatures, like the chimera, live in an. In mammals, the tail is an extension of the torso,.
NCERT Class X Science Class: Chapter -9. Heredity and ... from www.flexiprep.com Despite this, the skeletal structure of the forelimb is basically the same and both species have the same embryonic origin which could imply a common ancestor. Giraffes necks have seven cervical vertebrae, and together they are approximately eight feet in length and weigh over 600 pounds. These changes in technology have altered the way scientists categorize species.
This is an example of a homologous structure and evidence of our common ancestry with other mammals.
The major categories from general to specific are kingdom, phylum, class, order, family, genus, and species. The more closely organisms are related, the more similar the homologous structures are. Yet the bones in the human neck and giraffe neck are still seven cervical vertebrae. Linnaeus's taxonomy system places species into broad categories.
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