Acomplete digestive system is found in bears. how is the undigested food removed from a bear? a. limbs are used to remove the waste. b. the one opening is dual purpose for intake and removal. c. the skin excretes waste. d. an opening specified for waste removal is present.

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis