McGraw-Hill Science 2005 Return to Unit List
Grade 4
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Animals with symmetry have body parts that match up like . Animals with sphere-shaped bodies have symmetry. Those with radial symmetry have body parts that extend outward from a(n) . Animals with two sides have symmetry. These animals have definite front and tail and upper and lower sides. Invertebrates most commonly have or symmetry. Some organisms do not have symmetry. One example of an animal without symmetry is a(n) .
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