"Pentadactyly" Example Sentences
1. The majority of vertebrates exhibit pentadactyly, which means they have five fingers or toes on each limb.
2. Although whales have evolved from land mammals, they still have pentadactyly, but their fingers are now flippers.
3. The skeletons of early reptiles displayed a form of pentadactyly, demonstrating that this feature has existed for millions of years.
4. One of the hallmarks of tetrapod evolution is the development of pentadactyly, which allowed animals to better traverse land.
5. The loss of pentadactyly in some species, such as horses, is believed to be due to selective breeding by humans.
6. The surgeon noted the patient's pentadactyly before proceeding with the procedure.
7. Pentadactyly is not unique to mammals, as birds also possess five digits on their wings.
8. Some amphibians exhibit pentadactyly only during their larval stage before they lose digits during metamorphosis.
9. The presence of pentadactyly in primates may have helped early humans develop their manual dexterity for toolmaking.
10. While rare, some people are born with an extra digit, resulting in a form of pentadactyly known as polydactyly.
11. The scientific name for the condition of being born without five digits on a limb is oligodactyly, the opposite of pentadactyly.
12. By examining the pentadactyly of different species, scientists can better understand evolutionary relationships and timelines.
13. Fossils with pentadactyly have allowed paleontologists to reconstruct the anatomy and behavior of extinct animals.
14. Among mammals, primates and raccoons are noteworthy for their pentadactyly, which allows for fine manipulation of objects.
15. Some reptiles, such as lizards and geckos, have pentadactyly on their front limbs only, while their back limbs lack this feature.
16. One of the benefits of pentadactyly is that it provides redundancy in case of injury or disease to one of the digits.
17. In humans, the pentadactyly of the hand is attributed to several genes that control the development of the limbs in the embryo.
18. Some insects exhibit pentadactyly, but their digits are called tarsi or pedipalps instead of fingers.
19. The study of pentadactyly has a long history in comparative anatomy and evolution, dating back to the days of Darwin and Lamarck.
20. Certain fish display a form of pentadactyly in their fins, indicating that this trait is not exclusive to tetrapods.
21. The significance of pentadactyly in terms of survival and adaptation depends on the ecological niche and lifestyle of a given species.
22. The pentadactyly of the hind limbs in primates, including humans, is thought to have developed primarily for increased speed and agility.
23. While pentadactyly is common among bony fish, cartilaginous fish such as sharks and rays have a different skeletal structure in their fins.
24. The loss of pentadactyly in various lineages of animals is an example of convergent evolution, where similar traits have evolved independently.
25. In addition to the physical benefits of pentadactyly, human hands have become a symbol of creativity, intelligence, and culture.
26. The use of pentadactyly in taxonomy has helped researchers establish relationships between different groups of organisms based on their anatomical features.
27. Some dinosaurs, such as the theropods, exhibited pentadactyly, which is thought to have given them an advantage in hunting and grasping prey.
28. The development of pentadactyly in embryos follows a complex series of signaling pathways and genetic interactions that are still not fully understood.
29. The loss of pentadactyly in horses and other domesticated animals is often attributed to humans selectively breeding for specific traits over many generations.
30. Although pentadactyly is generally associated with limbs, some animals, such as sea stars, display this feature on other body parts.
Common Phases
1. "
Pentadactyly is a characteristic feature of mammals;"
2. "The name 'pentadactyl' refers to animals with five digits on their limbs;"
3. "
Pentadactyly is thought to have evolved as an adaptation for grasping objects and movement;"
4. "Some species, such as primates, have opposable thumbs which further enhance the usefulness of
pentadactyly;"
5. "
Pentadactyly is not exclusive to mammals; many reptiles and birds also possess five digits on their limbs."