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Compare Schizocoelom with enterocoelom based on coelom formation
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- Draw and label a hydrozoan colony life cycle showing gastrozoan and gonozoan polyps. Draw a medusa.Describe the differences in the coelomic systems between Oligochaetes and Polychaetes. How do the differences in the coeloms relate to differences in locomotion? Which characteristics unify the lophophorates? Describe each characteristic and how it differs between the lophophorate phyla.Placozoans are structurally simple. They have no mouth, gut, or nervous system and only a few distinct cell types. This simplicity is thought to be secondarily derived, because they have an asymmetrical adult stage. are composed of an upper and lower body surface that sandwiches a layer of contractile fibers. exhibit asexual and sexual reproduction. are sessile filter feeders. are found in tropical and subtropical oceans.
- Match the Phylum or Class with the correct characteristic. Use each term once. Class/Phylum) Class Trematoda Class Crustacea Phylum Platyhelminthes Class Hydrozoa Phylum Cnidaria Class Bivalvia Class Oligochaeta Phylum Annelida Phylum Nematoda Characteristic)feeding through gonozoids monoecious digestive system with a crop and gizzard body comprised of repeating metamers digestive system with a clitellum defense using choanocytes one antenna defense using m=nematocytes feeding through gastrozoids a ciliated larval stage called a miracidium two antennae no longitudinal muscles gills called ctenidia no circular musclesIn Hydrozoans such as the Obelia pictured above, what do gastrozooids and gonozooids have in common, and what are their respective functions? They are both medusae; gastrozooids produce polyps via budding, and gonozooids filter particles from the water to feed They are both polyps: gastrozooids filter particles from the water to feed, and gonozooids produce reproductive medusac via budding They are both medusae: gastrozooids filter particles from the water to feed, and gonozooids produce polyps asexually via budding They are both polyps; gastrozooids filter particles from the water to feed, and gonozooids produce additional polyps via asexual buddingProtozoans are usually separated into four groups based on their means of locomotion. Describe and contrast those means of locomotion.
- Fill in the blank to escribe the route of water through an synconoid sponge by listing the numbers in the correct order. To answer - write the numbers with a space in between - e.g. 1 2 3 4 5 6 7 1. osculum 2. spongocoel 3. ostium in porocyte 4. apopyle 5. radial canal 6. prosopyle 7. incurrent canalDescribe the annelid body plan, including body wall, segments, coelom and its compartments, and coelomic lining.What structure differentiates Ectoprocts and Brachiopods from other Lophotrochozoa? Select one: 1-Complete digestive tract with two openings. 2- Fluid-filled coelom. 3- Triploblastic. 4- Suspension feeding via lophophore. 5- Trochophore larval stage. Please provide explanations in detail for the correct option as well as the incorrect options.
- General characteristics of protozoans Internal and external structures Feeding strategies Locomotion Adaptations Reproductionidentify the distinguishing characteristics of the phylum Cnidaria.Describe the three in this phylum and give an example of each class. class being : Hydrzoa Anthozoa ScyphozoaCompare and contrast the body coverings of a free-living turbellarian, a monogenaen fluke, a cestode, and a nematode. Which problems does each solve or create? Be sure to consider locomotion, permeability, ciliation, and habitat, and to think of the entire life cycle.