To keep a species from getting genetic diseases and inbreeding over time, new
variations in genes can be randomly introduced byand
A.)Genotypes and phenotypes

B.)Genetic drift and meiosis

C.)Natural selection and directional selection

D.)Crossing over and mutation

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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