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Describe the adaptations "bilateral symmetry", "radial symmetry", "cephalization", "closed circulatory system", "coelom", and segmentation.
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- 17 of 20 Select the phrase which describes the process of coelom formation by schizocoely O Occurs in protostomes and involves mesodermal tissue that is located in the space between the ectoderm layer and the endodermal wall of the archenteron O Occurs in protostomes and involves buding of mesodermal tissue from the archenteron O Occurs in deuterostomes and protostomes and involves migration of neural crest cells around the interior of the ectoderm cell layer O Occurs in deuterostomes and involves differentiation of endodermal tissue into mesoderm which buds from the primitive gut. O Occurs in protostomes and involves rounding-up endodermal tissue which forms the primitive gut lumenDescribe the development of the notochord. Include the terms primitive pit, notochordal process, notochordal canal, neurenteric canal, notochordal plate, ectoderm, mesoderm, and endoderm in your descriptions. Include labeled diagrams in your description. With respect to the developing notochord, where is the cloacal membrane, allantois, embryonic ectoderm, embryonic endoderm, and embryonic mesoderm with reference to the developing notochord.Define the features of segmentation and coelom?
- Consider the process of organogenesis. a) Describe how coelom-status impacts the process of organogenesis. b) How do organs develop and where (in which cavity)? When does this process occur?Distinguish between (a) radial and bilateral symmetry; (b) blastula andgastrula; (c) direct and indirect development; (d) complete andincomplete digestive tracts; (e) coelom and pseudocoelom.Briefly explain how radial symmetry and the lack of cephalization usually associated with it can have adaptive value for sessile animals and be favored by natural selection.
- Please draw a picture of Clonorchis (Class Trematoda) and label its anatomy with the terms listed below. Note: Terms to label dawing with. Oral sucker, Ventral sucker, Pharynx, Intestine, Ovary, Yolk Gland, Uterus, Anterior testis, Posterior Testies. Please make sure to include all terms labeled in your drawing.D. Discuss the development interaction between the actoderm and the mesoderm in the evolution of the Deuterostomes. E. Discuss the significant changes that are represented in the evolution of the prokaryote cell type into the eukaryote cell. What these changes accomplish?Please draw a picture of Clonorchis (Class Trematoda) and label its anatomy with all of the following terms listed below. Please do not plagerize. Draw it yourself. Note: Terms to label dawing with. Oral sucker, Ventral sucker, Pharynx, Intestine, Ovary, Yolk Gland, Uterus, Anterior testis, Posterior Testies. Please make sure to include all terms labeled in your drawing.
- Match the description given with either protostome or deuterostome or neither 1)spiral cleavage 2)blastopore becomes the anus 3)schizocoelous coelom formation 4)indeterminate cleavage 5)determinate cleavage 6)blastopore becomes the primitive streak 7)radial cleavage 8)enterocoelous coelom formationEarthworm Cross Section (Annelid Cross Section) Describe each function in the earthworm cross-section: epidermis, seta, ventral blood vessel, ventral nerve cord, cuticle, coelom, dorsal blood vessel, etc. Also indicate which parts are derived from ectoderm, mesoderm, and from endodermExplain the importance of the presence of symmetry (radial and biradial) and presence of true tissues in the biological proccesses of cnidarians and ctenophores. Radial/biradial symmetry True tissues Reproduction Development Body support Locomotion