Introduction Researchers believe that one of the earliest branches in the phylogeny of the animal kingdom was the

Question

Introduction Researchers believe that one of the earliest branches in the phylogeny of the animal kingdom was the differentiation between radial and bilateral symmetry Typically animals display only one symmetry type except for sponges which are the only known asymmetrical animal species Some species such as sea stars alternate symmetry between juvenile and adult forms Task Research the differences between bilateral and radial organisms You may use the Internet for research and Chapter 9 of textbook also provides abundant examples for both symmetries Practice drawing and labeling bilateral and radial organisms These can be real or made up as long as they follow the rules defining each type of symmetry Research Questions 1 How does the symmetry of this animal correlate with its lifestyle 2 What defensive advantage does radial symmetry provide 3 How is animal symmetry related to asexual reproduction and regeneration in animals What advantages are provided by bilateral symmetry

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