What does arrogant meaning?

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

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?