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Biology, 28.01.2020 16:51 solisemily62

In vertebrate animals, the same organ in different species often have different structures. for example, the heart of a fish has two chambers while the heart of a mammal has four chambers. what is an explanation for these differences in organ structure? a) reproductive differences b) differences in the size of the animals c) mutation of the genes of the organisms d) adaptation of organisms to their environments

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