AMNIOTA Meaning and
Definition
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Amniota is a taxonomic group or clade within the animal kingdom, recognized as a superclass or subphylum, that includes reptiles, birds, and mammals, which are collectively known as amniotes. The distinguishing characteristic of amniotes is the presence of an amniotic egg, which is a shelled egg with an internal membranous sac called the amnion that provides protection and allows for development in a terrestrial environment.
Amniotes are characterized by several significant adaptations that have allowed them to successfully inhabit various terrestrial habitats. These adaptations include the amniotic egg, which freed them from the dependency on water for reproduction, as well as the development of water-conserving skin and the ability to breathe air through lungs.
The amniotic egg contains specialized membranes that not only protect the growing embryo but also facilitate gas exchange, excretion of waste, and provision of nutrients. This advanced reproductive strategy has played a crucial role in the evolutionary success of amniotes, as it allows for greater freedom to colonize diverse habitats, ranging from deserts to forests.
Amniotes display a wide range of morphological and physiological diversity. Reptiles, birds, and mammals exhibit distinct features and adaptations that reflect their respective evolutionary paths. With their ability to thrive in diverse environments and adapt to changing conditions, amniotes have become dominant vertebrates in nearly every ecosystem on Earth.
Common Misspellings for AMNIOTA
- zmniota
- smniota
- wmniota
- qmniota
- anniota
- akniota
- ajniota
- ambiota
- ammiota
- amjiota
- amhiota
- amnuota
- amnjota
- amnkota
- amnoota
- amn9ota
- amn8ota
- amniita
- mniota
- maniota
Etymology of AMNIOTA
The word "amniota" is derived from the Greek word "amnion", which means "membrane around a fetus". "Amnion" is further derived from the Greek word "amnos", which means "lamb" or "sheep". The term "amniota" was coined in the early 19th century by the German anatomist and embryologist Karl Ernst von Baer to describe a group of vertebrates that possess an amniotic egg, including reptiles, birds, and mammals. The "amnion" is a critical part of the amniotic egg, providing a protective chamber for the developing embryo.
Similar spelling words for AMNIOTA
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