GED Science Practice

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What group of organisms have jointed appendages, an exoskeleton, and reproduce sexually?

  1. Reptiles

  2. Amphibians

  3. Birds

  4. Arthropods

The correct answer is: Arthropods

Arthropods, including insects, crustaceans, and arachnids, are the only group of organisms with jointed appendages and an exoskeleton. Many species of reptiles, amphibians, and birds also reproduce sexually, but they do not have jointed appendages or an exoskeleton. Therefore, they cannot be the correct answer.

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