Horses are able to mate with donkeys. their offspring are animals known as mules. mules are sterile, which means they cannot reproduce. using this information, what can you conclude about horses and donkeys?
a. horses and donkeys are the same species.
b. horses and donkeys belong in different phyla.
c. horses and donkeys are different subspecies of the same species.
d. horses and donkeys are different species.

How does a lytic infection differ from a lysogenic infection?

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

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food