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Reproductive Features Characteristics A. Echinoderms' reproduction 1. Indirect B. Hemichordates' fertilization 2. Sexual with external fertilization C. Echinoderms' development 3. Direct D. Hemichordates' development 4. External

Options

  1. AA - 2, B - 4, C - 1, D - 1
  2. BA - 1, B - 2, C - 3, D - 4
  3. CA - 3, B - 2, C - 1, D - 4
  4. DA - 2, B - 3, C - 4, D - 1

Correct answer

A. A - 2, B - 4, C - 1, D - 1

Step-by-step solution

Echinoderms reproduce sexually with external fertilization. Hemichordates also have external fertilization. Echinoderms undergo indirect development. Hemichordates also have indirect development.

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