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Gwar [14]
3 years ago
7

Animals without a backbone are classified as ________. crustaceans invertebrates arthropods worms

Biology
1 answer:
CaHeK987 [17]3 years ago
3 0
Invertebrates

in- = not
vertebra = spine
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The sulphur would lable the capsule and the phosphorous the nucleic acid.

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