According to the phylogenetic tree, Eukarya evolve <u>First in the Prokaryotic Organisms.</u>
Ex: Draw the United States, then draw a transform plate boundary starting in the middle of California down into the ocean.
Matter can be classified according to physical and chemical properties. Scientists can observe physical properties without changing the composition of the substance, whereas chemical properties describe the tendency of a substance to undergo chemical changes (chemical reactions) that change its chemical composition.
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<span>Tunicates resemble a rod on the sea floor.
Tunicates are members of the phylum Tunicata, and are intvertebrate animals. They are commonly known as sea squirts.
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