Sunday, March 9, 2014

The Living Fossils of the Ocean

Sea urchins are small spiny animals that feed on algae. Their spines serve to protect them from various predators such as sea stars or sea otters. They possess five pairs of external gills the diameter of an urchin is 50 mm.

I Would have Thought This was a Dragon...

Pterodactylus was the first animal to be identified as a flying reptile, it was a carnivore that most likely preyed on fishes. Pterodactylus had a wingspan of 3 feet, a long beak and neck, a short tail, and wings attached to three fingered hands.

The Only Living Dragons that Ever had the Ablility to Fly: Then and Now

Dragonflies are most commonly found in freshwater habitats that has an elongated body and transparent wings. They are one of the fastest flying insects in the planet, they can fly at about 34 miles per hour. Dragonflies are excellent hunters and mainly eat other insects.

Modern Birds Ancestoral Link to Being Dinosours


 Archaeopteryx was the missing link between the dinosaurs and birds, the first complete fossil was discovered in 1862. It has reptilian characteristic combined with various characteristic that relates it to birds. The diet of this animal was mainly insects

Herbivores of the Jurassic


Apatosaurus was one of the largest dinosaurs that existed during the late Jurassic period, about 157 – 146 million years ago. It has an average length of 23 m and a mass of about 16 metric tons. This dinosaur was called Brontosaurus but scientists realized that Apatosaurus and Brontosaurus were not a different species.