Functions of epithlium tissue?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

Witch theory suggests all living things are made up of cell or cells

Which of the following forest management practices is best for reestablishing areas of forest?