Flatworms can be cut in half, creating two new individuals, by

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

How can an organ, such as the lungs, work for multiple body systems?

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