题库 Science 题目列表 Which of the following groups are all invertebrate...
Single Choice
Which of the following groups are all invertebrates?
A.

Snails, bats, fish, and earthworms

B.

Snails, honeybees, sea star, and sea sponges

C.

Grasshoppers, fruit flies, electric eels, and sea horses

D.

Cows, pigs, horses, and chickens

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