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1. Which of the following group of animals does not belong to the groups of invertebrates? A. arthropods B. mammals C. mollusks D. nematodes​

Sagot :

✒ SCIENCE

B. Mammals

Invertebrates are a group of animals that have no backbone, unlike animals such as reptiles, amphibians, fish, birds and mammals who all have a backbone. (Mammals is a vertebrates)