jack learned that mice, turtles, and snakes have backbones. he also found out that earthworms, butterflies…

jack learned that mice, turtles, and snakes have backbones. he also found out that earthworms, butterflies, and lobsters do not have backbones. he classified the animals into vertebrates and invertebrates.\n|vertebrates|invertebrates|\n|----|----|\n|mice, turtles, snakes, and lobsters|earthworms and butterflies|\nwhy are jacks groupings incorrect?\nbutterflies are vertebrates.\nmice are invertebrates.\nearthworms are vertebrates.\nlobsters are invertebrates.
Answer
Brief Explanations:
Vertebrates have backbones and invertebrates don't. Butterflies are invertebrates, mice are vertebrates, earthworms are invertebrates, and lobsters are invertebrates. Jack wrongly included lobsters in vertebrates.
Answer:
Lobsters are invertebrates.