We know that animals can be separated into two big groups: vertebrates and invertebrates. an example of each would be a horse and a horse fly. even though these animals are very different structurally, they have several things in common. both animals must have a method for because they are both classified as heterotrophs. a) moving b) using oxygen c) getting food d) reproduction

The answer is C since heterotroph means they don't have a way of making food

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by drinking easy

very easy