Class – Reptilia Reptiles are a class of cold-blooded vertebrates – their body temperature varies with their environment. Reptiles include snakes, lizards, crocodiles, and turtles.…
The structure of the larynx of the three tortoises analyzed is simple: three cartilages (the cricoid and two arytenoids) form the skeleton of the larynx,…
The Purple Sea Urchin obtains oxygen through diffusion only (the diffusion of oxygen into the organism). Also, oxygen diffuses from the canals into the rest…
When prone or buried, the sand dollar feeds on detritus, diatoms and deposits swept by cilia currents toward the mouth. When standing vertically it becomes…
Sea stars have an eye spot at the end of each arm. This means that a five-armed sea star has five eyes, while the 40-armed…
If bugs, flies and spiders simply wander around your own four walls, there is no danger. But there is if a mosquito or wasp sits…
Adult echinoderms have radial symmetry. This is easy to see in the sea star and sand dollar in Figure above. However, echinoderms evolved from an…
Starburst will change its name to Opal Fruits 22 years after the sweets were rebranded, makers Mars have confirmed. Fans will be able to get…
More than half of the world’s turtle and tortoise species are now threatened with extinction, according to a new study published by a group of…
The skirt-like edges (scoots) on the shell of the Galapagos tortoise will wear down as the tortoise gets older, and the scales on the fronts…