Animals with scales on skin are called?

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The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation

Use the distance formula to determine weather each pair of segments have the same length

Which of the following best demonstrates the unity among all organisms? matching dna nucleotide sequencesdescent with modificationthe structure and function of dnanatural selectionemergent properties