The sand dollar, sea urchin, brittle star, sea star and sea cucumber are some examples of echinodermata. This family of marine animals lives on the sea floor and is distributed widely from intertidal areas to the darkest depths of the ocean.Continue Reading
There are around 7,000 species that fall under the classification of echinodermata, otherwise known as echinoderms. At least 800 of these can be found in the waters that make up the Great Barrier Reef. The name "echinodermata" comes from the Greek "echinoderma," meaning "spiny skin."
Echinoderms are easy to spot because of their radial symmetry, since all echinoderm species have five arms or multiples of five arms. They also have a calcium carbonate shell covered by skin. Echinoderms have fairly rudimentary respiratory systems that allow them to take oxygen in through tube feet and simple gills.Learn more about Zoology
The scientific name of the sea sponge is Porifera. The sea sponge's scientific name refers to something having pores, and sea sponges have many small pores known as ostia.Full Answer >
Plants, algae, and phytoplankton are some common examples of autotrophic organisms. These organisms can all create food energy from the environment.Full Answer >
Examples of animals that migrate include butterflies, land animals, birds and whales. Animals migrate for a wide variety of reasons, such finding food as the weather changes or mating in specific locations year after year. One of the most well known migrations is the complex, extended migration of the Monarch butterfly. The migration cycle lasts longer than the life span of one butterfly, so no single butterfly makes the entire trip from Canada to Mexico and back again.Full Answer >
Instincts include fear, anger, shyness, curiosity and secretiveness among many more. Instincts are innate in all living organisms, from tiny multicellular bacteria and viruses to mammals and humans. Instincts are complex traits that ultimately help species survive, communicate and reproduce.Full Answer >