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- Which of the following classes of animals possess an aristotle's lantern feeding structure that is used for scraping up algae and other food items? -Class Ophiuroidea -Class Cephalaspidomorphi/Hyperoartia -Class Holothuroidea -Class Echinoidea -Class AsteroideaWhich of the following taxa of animals possess slime glands, primitive gills and can tie themselves into overhand knots? --Class Cephalaspidomorphi/Hyeroartia --Class Sarcopterygii --Suborder Amphisbaenia --Order Gymnophiona --Class Myxini/HyperotretiWhere do invertebrates fit into the evolutionary history ofeukaryotes? Of animals?
- Which of the following statements is true? --Sea stars are dioecious possess dermal branchiae and they have two stomachs --Actinoptergians are fleshy/lobe finned with cycloid scales and a swim bladder --Ophiuroidea have bilateral larvae, and Aristotle's lantern and five arms --Sand dollars are echinoderms with long spines, gills, and pentaradial larvae --Sharks have an operculum, cosmoid scales and eyelidsThe multicellular body plan (demonstrated by the Porifera, sponges) are possible because of the evolution of specialized proteins that include? A) MEMBRANE PROTEINS (Adhering proteins) that bind the cell membranes together b)DNA c) hemoglobin d) glycogen and chitin e) chromosomes ?animals in which of the following classes possess adductor muscles, labial palps, and use their gills for both respiration and feeding? -Bivalvia -Cephalopoda -Polyplacophora -Anthozoa -Gastropoda
- Chiton (class Polyplacophora)-characteristics? Clam (class Bivalvia)- characteristics? Snail (class Gastropoda)-characteristics? Octopus and squid (class Cephalopoda)- characteristics?Which of these locomotor organs would likely be the shortest? a. a flagellum b. a cilium c. an extended pseudopod d. a pellicleWhy are porriferans asymetrical? Cnidarians radial? The rest bilateral? (based on evolution)
- Which phylum do you belong to? 1. Echinodermata2. Platyhelminthes3. Annelida4. Porifera5. Chordata6. Arthropoda7. Nematods8. Cnidaria9. MolluscaMolecular fossils further indicate the presence of ciliates and dinoflagellates in the emerging eukaryotic world and show that algae were expanding to become major photosynthesizers in the oceans. How can we explain this diversification?1-true tissues or not- who does not have? 2- radiate/bilateria- who for sure is in radiate? 3- diploblastic vs triploblastic- what does this mean? Who are diploblasts? 4- ecdysozoans & lophotrochozoans- they are all protostomes. What do the words mean? Give examples for each.