June 24, 2018

Cnidaria

One common type of Cnidaria is the Jellyfish

Cnidaria are a class of invertebrates found in aquatic or marine environments. The name Cnidaria comes from the Greek word "cnidos," meaning stinging nettle. There are about 9,000 species of cnidaria, the most common being the jellyfish, sea anemone, and coral. Cnidaria come in two different body … [Read more...]

Birds

Bird

Birds are defined as winged animals with two legs that lay eggs. In addition to the wings, birds have two other easily recognizable characteristics. They are covered with feathers, and they have a beak with no teeth. Birds are warm-blooded animals, meaning that they internally regulate body … [Read more...]

Arachnids

Arachnid, Spider

Arachnids are defined as invertebrate animals that have eight legs. However, in some arachnids the front pair of legs may have adapted for feeding, defense, and sensory perception rather than walking. Almost all arachnids live on land, although some live in freshwater areas. There are over 100,000 … [Read more...]

Amphibians

Amphibian, Frog

Amphibians begin life as water-breathing animals, and then in maturity evolve into an air-breathing animal. Amphibians are also cold-blooded animals, meaning they rely on external, environmental heat sources, such as the Sun, to control their body temperature. Examples of amphibians include … [Read more...]