December 12, 2017

Lion

Lion and Lioness

Lions were once widespread throughout most of Africa and India, and even North and South America. Wild lions now only live in sub-saharan Africa and Gir Forest of northwestern India. Lions of Africa are listed as vulnerable on the World Conservation List of Threatened Animals. Lions of the Gir … [Read more...]

Vertebrates

Vertebrates

Vertebrates are animals with an internal backbone or spinal column. There are over 85,000 species of vertebrate animals such as amphibians, birds, fish, mammals and reptiles. Most large land animals are vertebrates. Even large sea animals, such as the whale, are vertebrates. However, only about 5% … [Read more...]

Mollusks

Mollusk

Mollusks are invertebrates that live in ocean, freshwater and terrestrial habitats. It is estimated that there are as many as 120,000 different species of mollusk. There are several different classes of mollusk. The most common mollusks are the gastropods (e.g., snails and slugs), the cephalopod … [Read more...]

Invertebrates

Invertebrate

Invertebrates are animals with no internal skeleton or backbone. Invertebrates make up about 95% of all animal species on Earth. Types of invertebrates include annelids, arachnids, cnidaria, crustaceans, echinoderms, insects, mollusks, and protozoa. Exceptions include amphibians, birds, fish, … [Read more...]

Insects

Insect

Insects are a type of invertebrate, meaning they don't have an internal skeleton or backbone. Insects are also a type of arthropod. The term arthropod comes from the Greek word meaning "jointed feet," and includes other similar animals such as crustaceans and arachnids. Insects are one of the … [Read more...]

Fish

Fish

The fish family includes a wide variety of vertebrate animals that live in the water. Although there are over 31,500 different types of fish, with many diverse characteristics, the one thing that fish have in common is that they breathe oxygen from the water through gills. Fins are also a common … [Read more...]

Echinoderms

Sea Star or Starfish

Echinoderms are a type of invertebrate found in marine or ocean environments. Common echinoderms include the sea star, sea urchin, sand dollar and sea cucumber. Most echinoderms have arms or spines that radiate from the center of their body. The central body contains their organs, such as mouth for … [Read more...]

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...]