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All adaptations help organisms survive in their ecological niches. The adaptive traits may be structural, behavioural or physiological. Structural adaptations are physical features of an organism, such as shape, body covering, armament, and internal organization.
The stapes was thought to be just a structural support between the palate and the stapedial plate of the braincase. [9] In the Acanthostega, it is likely that due to the otic capsule of the brain case being mesial to the stapedial plate, sound was picked up from the palate or the otic notch to allow for rudimentary hearing. It was able to ...
Marine mammals adaptation to deep and long duration breath-hold diving involves more efficient use of lungs that are proportionately smaller than those of terrestrial animals of similar size. The adaptations to the lungs allow more efficient extraction of oxygen from inhaled air, and a higher exchange rate of air of up to 90% of each breath.
Anti-predator adaptations are mechanisms developed through evolution that assist prey organisms in their constant struggle against predators. Throughout the animal kingdom, adaptations have evolved for every stage of this struggle, namely by avoiding detection, warding off attack, fighting back, or escaping when caught.
This adaptation is primarily found in semiaquatic species, and has convergently evolved many times across vertebrate taxa. Unlike other waders , the pied avocet has webbed feet, and can swim well. It likely arose from mutations in developmental genes that normally cause tissue between the digits to apoptose .
Dik-diks have special physiological adaptations to help them survive in arid environments. [5] For instance, dik-diks have a lower density of sweat glands compared to other animals such as cattle. [5] Similarly, in more arid environments, dik-diks can concentrate their urine. [5] These adaptations help dik-diks preserve body water. [5]
Help Animals categorized by adaptation or ... Pages in category "Animals by adaptation" The following 14 pages are in this category, out of 14 total.
A plastron is a type of structural adaptation occurring among some aquatic arthropods (primarily insects), a form of inorganic gill which holds a thin film of atmospheric oxygen in an area with small openings called spiracles that connect to the tracheal system.