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Q1: How might multicellular organisms have arisen?<br>A)Single-celled organisms
Q1: Chloroplasts and mitochondria have relatively small circular
Q15: The rough periwinkle,Littorina saxatilis,is found on the
Q16: Skeletal organization relating to limbs used for
Q17: When a farmer grows cotton containing the
Q21: At different stages in development a frog
Q40: Given the abundance of herbs and grasses
Q51: In the ecosystems of the world fungi
Q56: Flatworms are very thin and can exchange
Q59: Bacteria and archaea use the same four