Shark

Arguably the most famous living fossil is the coelacanth (pronounced SEE-LA-CANTH). For a long time, this group of fishes was only known from fossilized remains… Read More »What Animal Is A Living Fossil?

No, a rhino is not a type of dinosaur. A rhino, short for rhinoceros, is an ungulate or hoofed mammal. Dinosaurs, on the other hand,… Read More »Is A Rhino A Dinosaur?

With little change over the last 450 million years, the horseshoe crabs appear as living fossils. Jawless fish. Hagfish (Myxinidae) family. Lamprey (Petromyzontiformes) Bony fish.… Read More »What Fossils Are Still Alive?

Shark skeletons are composed of cartilage. Cartilage, the stuff your ears and nose are made of, is much softer than bone, and rarely survives fossilization.… Read More »Why Are There No Shark Fossils?

True Form Fossils. True Form fossils are formed when the animals soft tissues or hard parts did not decay over the years because they are… Read More »What Is A True Fossil?

Around 70,000 years ago. Around 70,000 years ago, humanity’s global population dropped down to only a few thousand individuals, and it had major effects on… Read More »When Did Humans Nearly Go Extinct?

Shark species have been growing to an enormous size after taking advantage of protective no-fishing zones to gorge* on more prey, researchers say. Tiger sharks… Read More »Are Sharks Growing?

Great white sharks are also getting larger. They average at about four or five metres long, but scientists are seeing more and more of the… Read More »Are White Sharks Getting Bigger?

Tiger sharks are countershaded, meaning their backs are darker than their bellies, an adaptation that helps them blend into the aquatic environment and go unnoticed… Read More »How Has The Tiger Shark Adapted To Its Environment?

What is clear however, is that all organisms are dynamic and will continue to adapt to their unique environments to continue being successful. In short,… Read More »Are Humans Still Evolving?