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What groups within a phylum from invertebrates should be elevated into their own phylum? Explain.
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- Sponges are also found in freshwater, though not as numerous as the marine varieties. One example of this group is Spongilla, which can grow in many different morphs. Spongilla and other freshwater sponges have developed specialized reproductive cells known as gemmules, allowing them to survive harsh environmental conditions. Why are most Spongilla green?Identify and label the parts of the following specimens of Phylum Nematoda:Compare and contrast the Phyla Porifera and Cnidaria. Think: Symmetry, Form and function, Tissue layers (present or absent, if present which are represented), Musculature/how they move, Reproduction, Nervous system and sensory structures, Respiration, Digestion (and how they feed), and comment on unique cell types found in each.
- What characteristics of phylum Cnidaria are most important in dis-tinguishing it from other phyla?Describe the feeding process of a sponge. Make sure to use the following vocabulary in your answer: spongocoel, choanocytes, phagocytosis. What are some possible functions of spicules and spongin? How are these sponge parts alike and different? Why is sexual reproduction beneficial for sponges (or other organisms)? When could asexual reproduction be beneficial?The Order Squamata consists of 3 sub orders. Why are these Suborders so different - give at least 2 distinctive characteristics for each.
- Give contrasting external characteristics between Phylum Nematoda and Phylum Mollusca.Which of the following is the correct classification for the following invertebrate animal: A bilateral animal that does not have circulatory or respiratory systems. Their thin structure allows gas diffusion to and from cells. They have an excretory system of flame cells with cilia to direct waste fluid out. Question 21 options: a) Phylum Mollusca, Class Bivalvia b) Phylum Echinodermata c) Phylum Echinodermata d) Phylum Annelida e) Phylum Platyhelminthes f) Phylum Chordata g) Phylum Arthropoda, subphylum HexapodaBriefly describe asconoid, syconoid, and leuconoid body types in sponges
- This organism belongs to which phylum? What region of the body is 1?Name the Phylum What scientific term(s) would you use to describe this specimen's cellular organization? (be specific) GBook Pro. In the space below draw a phylogenetic tree showing the inter-relationships among the following clades: Protostomia, Arthropoda, Mollusca, Cnidaria, Echinodermata, Crinoidea, Blastoidea, Asteroidea, Ophiuroidea, and Echinoidea.