Nematodes and arthropods are the largest ecdysozoan phyla. Which of the followin

Question

Nematodes and arthropods are the largest ecdysozoan phyla. Which of the following statements are true? Select all that apply. Select all that apply. Both nematodes and arthropods have segmented body plans. Both nematodes and arthropods must molt in order to increase in size. Arthropods are named for their jointed appendages. Both nematodes and arthropods possess an external covering, or cuticle. Nematodes possess a closed circulatory system. The cuticle in nematodes lengthens as the animal grows. Some nematodes are parasitic on humans. Nematodes are acoelomate, whereas arthropods are coelomate. Arthropods possess an open circulatory system.

Explanation / Answer

Arthropods possess an open circulatory system

Arthropods are named for their jointed appendages

Some nematodes are parasitic on humans

Both nematodes and arthropods must molt in order to increase size

Both nematodes and arthropods possess an external covering, or cuticle

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