Flatworms and roundworms are said to be inverte... - JAMB Biology 2021 Question
Flatworms and roundworms are said to be invertebrates because?
A
they are small animals
B
they can live inside the vertebrates
C
some of them are unicellular
D
they have no backbones
correct option: d
- 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.
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