The forearm of birds, reptiles, and humans illustrates a homologous body structure.
- Similar physical characteristics found in species with a shared origin are known as homologous structures, although these characteristics have entirely different biological purposes.
- The limbs of humans, cats, whales, and bats are examples of homologous structures.
- All of these structures—arm, leg, flipper, and wing—are supported by the same type of bone structure.
- The arms of a person and the wings of a bat are excellent examples of homologous structures. Because both bats and people are mammals, they have a common ancestor.
- Even though they appear considerably different from one another from the outside, a bat's wing and a human arm have remarkably comparable internal bone structures.
- Wings help bats fly, whereas arms enable human interaction with their environment. The wing and the arm also have various purposes.
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Differentiated Muscular tissue that is able to do this varies in their concentration and or their abundance of sarcomeres and their filaments.
This priority is referred to as Elasticity.
When a virus attaches to a host it insets its rna into the cell and uses transcriptase enzyme to make it into dna and start producing more of its self. Once’s produced enough releases vessicles that secrete many more virus and repeat the process once they attack to a cell
