Which of the following would be considered a beneficial genetic alteration?
a. many current europeans have a gene for bubonic plague resistance.
b. people from africa descent have higher amounts of melanin increasing resistance to skin cancer.
c . peppered moths changed from gray to black during the industrial revolution in england.
d. all of the above

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around. the heterotrophic protists would since they use them to gather food. the parasitic protists would since they need to find other organisms to attack. the autotrophic protists would since they must move to find light.