The correct option is (A) Homology
Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, which develop from similar embryonic tissues. These structural similarities are an example of homology.
What are homologous structures?
- 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.
- Divergent evolution leads to homologies. Divergent evolution is the process through which living things that shared an ancestor develop and acquire distinctions, frequently giving rise to new species. Pressures like changes in abiotic or biotic variables in the environment may be to blame for this.
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