Live Specimen  Class polychaete Class Polychaete Polychaetes are one of the classes of annelid, they are also known as the bristle worms and are generally marine invertebrates. Their bodies has a various amount of paraodia covering it that’s used for locomotion, sensation, or respiration. These paraodia have many …

Social Relevant Issue Background Jellyfish are classified in the kingdom: Animalia, phylum: Cnidaria and subphylum: Medusozoa. They are grouped into three categories; Scyphozoa which are true jellyfish, Cubozoa which are box jellyfish and Staurozoa which are stalked jellyfish. They have an umbrella-shaped body and long tentacles that extend …

Slides Planaria w.m. under microscope 4x (head) Planaria in 3 representative regions under microscope 10x   Planarian is in the class Turbellaria. They live in both saltwater and freshwater ponds and rivers. However, some species are terrestrial. Planaria are capable of regeneration of lost body parts. For example, if a …

Phylum Platyhelminthes – Class Turbellaria – Class Cestoda – Class Trematoda + Phylum Platyhelminthes features  Species in this categories are triploblastic (have three layers of skin), acoelomate, bilaterally symmetric. They have protostome (lophotrochozoan) They have a central nervous system and go through cephalization. They have …

Slides Hydra w.m under microscope 4x Hydra Nematocysts under microscope 40x Hydra Budding under microscope 4x Hydras are tiny, simple invertebrates that have a circulatory system similar to jellyfish. They are apart of the phylum Cnidaria, order Anthomedusae and class Hydrozoa. Typically found in freshwater ponds, lakes, and streams. They have a fluid-filled gastrovascular …

Subphylum Medusozoa – Class Scyphozoa – Class Cubozoa – Class Hydrozoa Subphylum Anthozoa (used to be Class) – Subclass Hexacorallia – Subclass Octocorallia + Contains over 10,000 species of animals found exclusively in aquatic (freshwater and marine) environments. + Includes four groups: Scyphozoans, Hydrozoans, Cubozoan, …