Flatworms and roundworms are said to be invertebrates because?
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Correct Answer: Option D
Explanation:
- The most familiar invertebrates include the Protozoa, Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Echinodermata, Mollusca, and Arthropoda.
- Invertebrates are animals that neither possess nor develop a vertebral column, derived from the notochord.
- The most familiar invertebrates include the Protozoa, Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Echinodermata, Mollusca, and Arthropoda.
- Invertebrates are animals that neither possess nor develop a vertebral column, derived from the notochord.