Answer:

D. Cnidarians

Intruding Group's Of Invertebrates:

Nematodes-This Invertebrates is also known as roundworm this worms commonly seen in plants bodies and our environment they are symmetrical,elongate,and usually tapered at both ends

Example:

• annelids & tapeworm

Sponges-sea sponges are aquatic Invertebrates that are like corals, they are completely different organisms with distinct anatomy,feeding methods, and reproductive processes

Cnidarians-This Invertebrates known to have tentacles

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