Nematodes are elongated worms that are either parasitic to living things or free-living in soil while arthropods are invertebrates that has segmented bodies and joined appendages.
True statements about nematodes and arthropods
Nematodes and arthropods are the largest ecdysozoan phyla the following statements about them is true.
- Both nematodes and arthropods possess an external covering, or cuticle.
- Arthropods possess an open circulatory system.
- Some nematodes are parasitic on humans.
- Both nematodes and arthropods must molt in order to increase in size.
- Arthropods are named for their jointed appendages.
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