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why is it that higher forms of animals are bilaterally symmetrical? provide scientific explanations
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- why is it that higher forms of animals are bilaterally symmetrical? provide scientific explanations please do not copy from googlewhy is it that higher forms of animals are bilaterally symmetrical? provide scientific explanations. please do not copy from google or other answers or i will downvoteWhy did invertebrates evolve structures for protection? present scientific explanation please do not just copy from google
- Create a body plan table (Insert → Add Table) for the following animal phyla: Porifera, Cnidaria, Platyhelminthes, Mollusca, Annelida, Nematoda, Arthropoda, Echinodermata, and Chordata. Describe each phylum by identifying the following body plan features. Use Lesson 12 (Chapter 32) and Lesson 13 (Chapter 33) as a guide. 1) Symmetry: Asymmetrical, Radial, or Bilateral 2) Tissue type: Parazoa, Eumetazoa (diploblastic), or Eumetazoa (triploblastic) 3) Body cavity (if triploblastic): Acoelomate, Psuedocoelomate, or Coelomate 4) Developmental mode (if Coelomate): Protostome or Dueuterostome Note: Depending on the body plan, features 3 & 4 may not apply to specific phyla. * Please answer 3) and 4) ONLY. Thank you.Discuss Concepts What are the relative advantages and disadvantages of radially symmetrical and bilaterally symmetrical body plans?Why are higher forms of animals bilaterally symmetrical?Explain. Cite at least 3 references.
- What does radial symmetry means? What is the type of symmetry found in chordates? Which are other phyla of the animal kingdom that present species with radial symmetry?Describe the differences between the hair seal family (Phocidae) and the eared seal family (Otariidae) for the following features: External ear pinnae How do they move on land? How do they move in the water (specific movement of fore and hind flippers – look up videos and report what you see). Describe a two-year cycle in the life of an adult female gray whale by answering the specific questions below. Where do they mate and give birth? How often do they give birth? Where do they spend the non-breeding season? (Note this is also where they eat because they don’t typically feed during migration or on their breeding waters.) When do they migrate south along the Oregon Coast? When do they migrate north along the Oregon Coast?The phylum Chordata only contains vertebrate species. Question 4 options: True False Which of the following is NOT true about reptiles and birds? Question 16 options: Reptiles are cold-blooded, whereas birds are warm blooded. Both reptiles and birds live exclusively on land. Both reptiles and birds lay eggs. Both reptiles and birds breath through lungs. In addition to a spinal column, what key feature distinguishes members of Vertebrata from Chordata? Question 21 options: Quadripedal Locomotion Hardened Endoskeleton The Notochord Body Hair The two main groups of vertebrates include: Question 19 options: Non-Bird Reptiles/Birds and Mammals Mammals and Amphibians Monotremes and Marsupials Fish and Tetrapods
- Which phylum of animals shows radial symmetry and has tentacles with stinging cells? Nematoda Cnidaria Porifera EchinodermataDescribe the following general characteristics can be used to distinguish among Animal phyla: a. Embryonic germ layers b. Digestive system c. Presence/absence of body cavity (coelom) d. Skeletal supporta japanese spider crab is an invertebrate, explain the mechanism of their protective structure. provide scientific explanation please do not just copy from google
