Biology 101 - Principles of Biology Quiz 17ChatfieldNov. 26, 2018 Directions:Select the one best answer to each question and mark that letter on answer sheet. 1. Which mode of nutrition characteristic distinguishes animals from other eukaryotes? A) Animals obtain nutrients by absorption. B) Animals obtain nutrients by eating. C) Animals use photosynthesis to produce their own food.
2. The common ancestor of all animals is likely to have been a ________.
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3. Radial symmetry is seen in a ________.
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4. Sponges are examples of ________.
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