Hydra, obelia, and Physalia (AKA portugese-man-of-war)
hydras
organisms in the same order (APEX)
Two organisms that are in the same class but different orders are in the same phylum. A phylum is a level of taxonomy below kingdom and above class.
hornworts
Organisms are classified by Kingdom, Phylum, Class, Order, Family, Genus, Species, and Sub-species.
Class. (apex)
The hydrozoa refers to the taxonomic class of predatory animals and colonial animals that live in salt water. The members of hydozoa are related to corals and jellyfish.
Hydra belongs to the phylum Cnidaria and the class Hydrozoa.
Hydrozoa
polyp! The star coral is attached and is faceup
hydrozoa
Yes, jellyfish are free-swimming members of the phylum Cnidaria. They are found in several classes including; Scyphozoa, Staurozoa, Cubozoa and Hydrozoa.
hydrozoa
one idea
Animals in the class Hydrozoa include various species of hydroids, hydras, and Portuguese man o' war. They are mostly marine invertebrates that display a wide range of forms and lifestyles, often existing as colonial organisms with polyps and medusae.
According to Wikipedia, it is of the class "Hydrozoa": http://en.wikipedia.org/wiki/Hydra_(genus)
Hydra belong to the phylum Cnidaria and the class Hydrozoa.
The largest class in the phylum Cnidaria is the class Anthozoa, which includes species such as corals and sea anemones. These are typically sessile (non-moving) organisms that can form large colonies and play important roles in marine ecosystems.