Organism: Orangutan Scientific name: Pongo pygmaues
The orangutan has reddish brown hair, unlike the typical chimpanzee and gorilla, It is larger then a chimpanzee but normally smaller then the average gorilla, however they can become larger then them as well on rare occasions
An Orangutan's normal habitat is the tropical rainforest that is dominated by trees of the family Dipterocarpaceae, which interestingly enough, is also becoming endangered in parts of the world.
The two species of Orangutan first appeared 400,000 years ago
The Orangutan has been confirmed to be the closest organism to the human with a whopping 97%
The Differences between The orangutan and Chimps and Gorillas: Gorillas are larger then an oragutan with an oval type rib cage compared to the Orangutan's pointed rib cage
A homologous structure is an example of an organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from a common ancestor.
The most recent ancestor of the Orangutan was discovered to be the Sivapithecus
The Sivapithecus and the Orangutan had very similar skulls, however the Sivapithecus body resembled a chimpanzee,
Comparative embryology is the branch of embryology that compares and contrasts embryos of different species. It is used to show how all animals are related. Many things are compared (such as whether or not the organism has a notochord or gill arches). (Definition)
Definition of a vestigial Structure: "A structure in an organism that has lost all or most of its original function in the course of evolution, such as human appendixes."